●SAFETY PRECAUTIONSIn this operating instruction sheet, safety precautions are categorized to Caution:Caution notices are used where inattention might cause personal injury or damage to equipment.1 TypeSG-B2-K□-L5Safety switchthe manual rearunlocking buttonMounting screw(M3 sems screw)PanelRodCAUTION4 Precautions for OperationCAUTION5 Adjustments4.6 mmSG-K22SG-K213.3 mmSafetySwitchCenter1.0 mm 1.0 mm●Recommended Screw Tightening TorqueCAUTIONCAUTIONSG-K22SG-K22A Mounting centers:12 mmMounting centers:20 mmSG-K24R1230 mm230 mm310 mm70 mm(Horizontal Swing)R2260 mm260 mm70 mm(Vertical Swing)R3170 mm120 mm170 mm50 mm(Horizontal Swing)R4190 mm140 mm50 mm(Vertical Swing)Minimum RadiusActuatorStopActuatorCoverSafety SwitchDoor StopSafety SwitchActuatorStopSG-K21Actuator SG-K22ActuatorDoor Stop(Actuator deviation) ＋ (Door movement)≦ 3.3mm≦ 4.6mm≦ 4.6mmSG-K21SG-K22SG-K21ASG-K22ASG-K24●Contact Configuration and Operation6 Contact Operation and Wiring●Operation CycleDoor StatesMain CircuitMonitor CircuitMonitor CircuitMonitor CircuitMonitor CircuitKey Position/Rear Unlock Button11-4221-5211-1221-2223-2441-4251-5253-54ClosedClosedClosedOpenClosedOpenLock Position/Returned statusDoor is locked.The machine canbe operated.OpenOpenOpenClosedOpenClosedUnlock Position/Returned statusThe machine cannot be operated.ClosedOpenClosedOpenOpenClosedUnlock Position/Returned statusDoor is unlocked.The machine cannot be operated.ClosedOpenClosedOpenOpenClosedLock Position/When operatingthe ButtonDoor is unlocked.The machine cannot be operated.Insulator ColorWhiteBlackBrownBlueBrown / WhiteOrangeInsulator ColorBlue / WhiteOrange / WhitePinkPink / WhiteGrayGray / WhiteNo.123456No.789101112Colored InsulatorJacket２ １10 12９ 11 ８７ ６４３５Circuit No.111221, 2322, 2451, 5352, 544142Insulator ColorBlueBlue / WhiteOrangeOrange / WhiteBrownBrown / WhitePinkPink / WhiteLock Releasethe Rear Unlock Button13.42022M4106φ30277.721.53356 ±1204011 ±1R 2.273.236.22028106145.7 (6.3)2035116.2 5.2□30R2.273.21 13520(6.3)145.710636.2282026.46.2 5.230□53.776.7402011 ±1533When Shipped Alternative Mounting Directions(Examples of Mounting on Sliding Doors) (Examples of Mounting on Hinged Doors)Door StopDoorSG-K21ActuatorLatchSG-B2Safety SwitchSG-K21SSlide ActuatorSG-K22ActuatorDoorSG-B2Safety Switch3 Mounting ExamplesActuatorLockedWhen the SG-B2-K□head is removedMonitor Circuit:UNLOCKMonitor Circuit:Contact ClosedContact OpenActuatorUnlockedLOCKBNPKBN/WHPK/WH51425241Conduit30 mmminimum radiusCAUTION8 Precaution for DisposalDispose of the SG-B2 safety switch as an industrial waste.Slot plug4-M4(φ4.3 or M4 tapped)●Main body mounting hole layoutDimensionsSG-K22Actuator10620 to 2242.2to (45.5)41 to(44.3)40.3to (44.9)41.5to (46.1)29.612.6±17.6±12013.4Manual rear unlocking button0.82R2.13.6120°2918.5371549382623φ18hole for themanual rearunlocking button(reference)Joint(horizontal adjustment) *8(vertical adjustment) *8( M4 holes )BaseActuator stop *7(supplied with actuator)Angle adjusting screwType：SG-B2-□-L5Type：SG-K24BaseAngle adjusting screw(M3 hexagon socket set screw)38Type：SG-K21A Type：SG-K22AActuator stop *7(suppliedwith actuator)Manual rearunlocking button4-M4(φ4.3 or M4 tapped)Actuator mounting hole layout(M3 hexagon socket set screw)Joint7 Dimensions and Mounting (mm)20°SG-K21 ActuatorActuator stop *7(supplied with actuator)SG-K21Actuator161.838KeyWarning notices are used to emphasize that improper operation may cause severe personalinjury or death.AB( 20 )122- Ø4.32-Ø102-Ø 9when installedon the door(5)when installedon the door(39.7)when installedon the door(11.2)0.820.88.515.81530Actuator stop *7(supplied with actuator)Actuator stop *7(supplied with actuator)Rubber CushionsRubber CushionsWasher(supplied with actuator)Washer(supplied with actuator)Bthe door(5)when installed on2-Ø 92-Ø100.8(20)0.8 1222- Ø4.31515.343.87.330(horizontal adjustment) (vertical adjustment)JointThank you very much for purchasing Panasonic products. Please read this InstructionManual carefully and thoroughly for the correct and optimum use of this product. Kindlykeep this manual in a convenient place for quick reference.INSTRUCTION MANUALSafty Door Switch with KeySG-B2 SeriesMJE-SGB2 No.0054-17VModel No. Key removalposition Cable lengthSG-B2-K2AC-5 LOCK and UNLOCKSG-B2-K2BC-55mSG-B2-K2BD-5SG-B2-K2AD-L5SG-B2-K2CD-5SG-B2-K2BD-L5SG-B2-K2CD-L5SG-B2-K2CC-5Door monitorcontacts2NC2NC1NO + 1NC2NC2NC1NO + 1NCLock monitorcontactsPush buttonWithout rearmanual unlockRear unlockUNLOCKLOCK and UNLOCKUNLOCKLOCKLOCKUNLOCKLOCKLOCK and UNLOCKSG-B2-K2AD-5●2 Specifications and RatingsApplicable StandardsApplicable DirectivesThermal Current Contact Ratings(Reference Values)< Ue, Ie >Class of ProtectionOperating FrequencyOperating SpeedMechanical durabilityActuator Tensile Strengthwhen LockedDirect Opening TravelDirect Opening ForceContact ResistanceDegree of ProtectionShort-circuit Protective DeviceIEC60204-1/EN60204-12.5AAC Resistive load (AC12)Inductive load (AC15)DC Resistive load (DC12)Inductive load (DC13)ClassⅡ (IEC61140) *3900 operations/hour0.05 to 1.0 m/s1,000,000 operations min. (GS-ET-19)the Rear Unlock Button: 3000 operations min. (Type SG-B2-□-L5)1,400N min. (GS-ET-19)*4(500N min. : SG-K24 actuator)11 mm min. (actuator: SG-K21)12 mm min. (for other actuators)80N min.500 mΩmax. (initial value, 3m cable)IP65 (IEC60529)Use 250V / 10A fast acting type fuse250V1.5A0.75A0.55A0.27AStandards for UseKeyISO14119, EN1088IEC60947-5-1, EN60947-5-1GS-ET-19, UL508, CSA C22.2 No.14Low Voltage Directive (2014/35/EU)Machinery Directive (2006/42/EC)Operating Condition -25 to +70 (no freezing)Electrical Durability 100,000 operations min. (AC-12 250V 1A)1,000,000 operations min. (AC/DC 24V 100mA)(900 operations / hour)Operating Temperature45 to 85RH (no condensation)Operating Humidity-40 to +80 (no freezing)Storage Temperature3 (Inside2)Pollution Degree2000m maximumAltitude2.5kVImpulse withstand voltage (Uimp)250V*2Rated Insulation voltage (Ui)Mechanical DurabilityKey Operating DurabilityKey Tensile StrengthDirect Opening ForceDirect Opening DegreeOperating Specifications 2 Positions100,000 operations min.10,000 operations min.1.0N・m min.0.6N・m min.60° min.B10d 2,000,000 (EN ISO 13849-1 Annex C Table C.1)Shock Resistance Operating extremes: 100 m/s , Damage limits: 1000 m/sVibration Resistance Operating extremes: 10 to 55 H, amplitude 0.35 mm minimumDamage limits: 30 Hz, amplitude 1.5 mm minimum22125V2.5A1.5A1.1A0.55A30V--2.5A2.3A-25℃ < Operating temperature < 60℃: 2.5A60℃ < Operating temperature < 65℃: 1.5A65℃ < Operating temperature < 70℃: 1.0ARatings approved by safety agencies(1)TÜV rating (2)UL , c-UL ratingAC-15 250V/0.75ADC-13 125V/0.22ADC-13 30V/2.3AAC 125V/1.5A Pilot DutyDC 30V/2.3A Pilot Duty*2: Ratings approved by UL,c-UL 125V*3: Basic insulation of 2.5kV impulse withstand voltage is ensured between different contactcircuits and between contact circuits and LED or solenoid in the enclosure. When bothSELV (safety extra low voltage) or PELV (protective extra low voltage) circuits and othercircuits (such as 230V AC circuits) are used for the solenoid power and contact circuits atthe same time, the SELV or PELV requirements are not met any more.*4: The actuator locking strength is rated at 1400N of static load. Do not apply a load higherthan the rated value. When a higher load is expected to work on the actuator, provide anadditional system consisting of another safety switch without lock or a sensor to detectdoor opening and stop the machine.• Install the interlock switch on the immovable machine or guard, and install the actuator on themovable door. Do not install both interlock switch and actuator on the movable door, otherwisefailure will occur.• See the figures below.The SG-B2 Head• Changing the Mounting Directions of theSG-B2 Head.The head of the SG-B2 can bemounted in four directions by removingthe four screws from the corners of theSG-B2 head.• Head Removal Detection Function(Type SG-B2-K□)When the key is operated, the operation of the monitor circuit (41-42) and monitor circuits (51-52)are the same. However, when the head is removed, disparity is detected (41-42 : OFF, 51-52: ON).The disparity of the contacts detects the removal of the head.(Type SG-B2-K□-L5)●Installing the manual rear unlocking button• After installing the interlock switch on thepanel, put the manual rear unlockingbutton (supplied ) on the rod on the backof the interloc k switch, and fasten usingthe mounting screw. When installin g onthe aluminum frame of the thickness of6mm or more, use the rear unlockingbutton for frame kit (MS-SG-23 /MS-SG-22) sold separately.●For Mounting• Do not apply an excessive shock to the safety switch when opening or closing the door.A shock to the safety switch exceeding 1,000 m/s 2 may cause failure.• Regardless of door types, do not use the safety switch as a door lock. Install a sepatatelock as shown in 3.• Do not open the lid of the switch. Loosening the screws may cause damage to the switch.• Entry of foreign objects in the actuator entry slot may affect the mechanism of the switchand cause a breakdown. If the operating atmosphere is contaminated, use a protectivecover to prevent the entry of foreign objects into the switch through the actuator entryslots.• Do not fasten and loosen the conduit at the bottom of the safetyswitch.• When wiring, make sure that liquid such as water and oil does notintrude from the tip of cable.• When bending the cable during wiring, secure the cable radius of30 mm at the minimum.• Use the dedicated actuators only. Other actuators will causedamage to the switch.(Type SG-K24)●Adjusting the Angle Adjustable (vertical/horizontal) Actuator• Using the angle adjustment screw (M3 hexagon socket set screw), the actuator angle canbe adjusted up to 20°(refer to dimensions).• The larger the actuator angle, the smaller the applicable radius of the door swing.After installing the actuator, open the door. Then adjust the actuator angle so that theactuator enters the entry slot of the safety switch properly.• After adjusting the actuator angle, apply loctite or the like on the adjustment screw toprevent loosening.• Use screw locking agent that is compatible with the base material.Base: PA66 (66 nylon) of glass reinforced gradeAngle adjustment screws: stainless steel• Do not mount the interlock switch facing down as shown inthe figure on the right. The key may fall due to vibration.●KeyBe sure to take the following precautions. Otherwise,failure or damage may occur.• When using the key, insert the key all the way.• Do not apply a rotative force when inserting or removingthe key. Also, do not pull the key during operation.Otherwise failure or damage may occur.• Other than the standard key, there are 15 key variations.Be sure to use a key and cylinder with the same number.• Do not apply excessive force to the key. Otherwisefailure or damage may occur.• With the key in the UNLOCK position, do not turn thekey to the LOCK position with the actuator removed(door open). Otherwise failure or damage may occur.(Type SG-B2-K□-L5)●For the Rear Unlock Button• The Rear Unlock Button is used for an emergencyescape when the worker is confined in the safetyhedge (the dangerous area).• The lock is released when the Rear Unlock Button ispressed, and the door can be opened.• To return to locked status, pull back the button. Whilethe Rear Unlock Button is depressed, the main circuitremains open and the door is unlocked.●Mounting Directions of the SG-B2 Head• When replacing the SG-B2 head, make sure that no foreign object enters into the safetyswitch. Tighten the screws tightly, without leaving space between the head and body,otherwise the safety switch may malfunction.Don't remove the screws of head expect when the mouting directions of head is changed.• After installing the manual rear unlocking button, apply Loctite to the screw so that thescrew does not become loose. The base is made of glass-reinforced PA66 (66 nylon). Themounting screw is iron. Take the compatibility of plastic material and Loctite intoconsideration.• Regardless of door types, do not use the safety switch as a door stop.Install a mechanical door stop to the end of the door to protect the safety switch againstexcessive force.• Mount the actuator so that it will not hit the operator when the door is open, otherwise injury maybe cvaused.• Turn off the power to the safety switch before starting installation, removal, wiring, maintenance,and inspection on the safety switch. Failure to turn power off may cause electrical shocks or firehazard.• Mount the actuator so that it will not hit the operator when the door is open, otherwise injury maybe cvaused.• Pay attention to the management of spare actuator. Safety function of door interlock switch willbe lost in case the spare actuator is inserted into the interlock switch.• Ensure that the actuator is firmly fastened to the door (welding, rivet, special screw) in theappropriate location, so that the actuator cannot be removed easily.• Do not cut or remodel the actuator, otherwise failure will occur.• If multiple safety components are wired in series, the Performance Level to EN ISO 13849-1 willbe reduced due to the restricted error detection under certain circumstance.• The entire concept of the control system, in which the safety component is integrated, must bevalidated to EN ISO 13849-2.• Turn off the power to the safety switch before starting installation, removal, wiring,maintenance, and inspection on the safety switch. Failure to turn power off may causeelectrical shocks or fire hazard.• Do not disassemble or modify the switch. Also do not attempt to disable the interlock switchfunction, otherwise a breakdown or an accident will result.• Install the SG-B2 to ensure that a worker can operate the Rear Unlock Button from insidethe safety hedge (the dangerous area). It is dangerous to install the SG-B2 in the positionwhere the Rear Unlock Button can be operated from outside the the safety hedge (thedangerous area), because it is possible to unlock while the machine is operating.• Use hand to press the button, and do not use a tool. Do not apply excessive force to theRear Unlock Button.The values shown above are based on the condition that the actuator enters and exits the actuatorentry slot smoothly when the door is closed or opened. Since there may be deviation or dislocationof the hinged door, make sure of correct operation in the actual application before installation.●SG-K21A / SG-K22A• When there is a displacement of safety switch and actuator, the actuator may hit the entryslot of safety switch hardly, thus damaging the entry slot and actuator. The rubbercushions on the actuator prevent the actuator from damaging the entry slit by absorbingthe shock with movement flexibility. Do not, however, exert excessive shocks, otherwisethe failure of safety switch may be caused.• The rubber cushions may deteriorate depending on the operating environment andconditions.Immediately replace the deformed or cracked rubber cushions with new ones.●Actuator Mounting Referance Position• As shown below, the mounting reference position of the actuator inserted into the safetyswitch is:The actuator and actuator cover touches the actuator stop placed on the safety switchlightly.(After mounting the actuator, remove the actuator stop from the safety switch.)●Actuator Mounting Tolerance• Mounting tolerance of the actuator is 1.0 mm in thefour lateral directions.• When closing the door, the actuator is inserted andlocked within a certain distance from the referenceposition. After the actuator has been locked, thecontact operation is not affected by the actuatormovement in the locked state.●Minimum Radius of Hinged Door• When using the safety switch for a hinged door, the minimum radius of the applicabledoor is shown in the following figures.Door Hinge Door Hinge Door Hinge Door HingeR1Minimum RadiusR3Minimum RadiusR2Minimum RadiusR4Minimum RadiusWhen the center of the hinged door ison the extension line of the actuatormounting surfase.When the center of the hinged door is onthe extension line of the contact surface ofactuator and safety switch.1.8 to 2.2 N∙mScrew Tightening TorqueFor mounting the safety switch (M4 screw) *50.9 to 1.1 N∙mFor mounting the SG-B2 head (M3)0.5 to 0.7 N∙mFor mounting the manual rear unlocking button (M3 sems screw)1.8 to 2.2 N∙m0.8 to 1.2 N∙m1.0 to 1.5 N∙m1.0 to 1.5 N∙mFor mounting the actuator(SG-K21: two M4 screws) *5(SG-K22: two M4 Phillips screws)(SG-K21A / SG-K22A: two M4 screws) *5,6(SG-K24: two M4 screws) *5Name or UseM4 mounting holeDoorM4 ScrewRubber CushionsWasher*5: The above recommended tightening torques of the mounting screws arethe values confirmed with hex socket head bolts.When other screws are used and tightened to a smaller torque, makesure that the screws do not come loose after mounting.*6: In the case of SG-K21A or SG-K22A, Using two M4 screws and twoattached washers, fasten the actuator securely on the door.CAUTION(Actuator Completely Inserted) (Actuator Pulled Out)Contact Operation(reference)Approx. 3.3 (Lock)UNLOCK LOCKContact ClosedType *1 Contact CongifigurationContact OpenApprox. 26.4 (Travel:mm)0 (Actuator Mounting Reference Position)Approx. 5.3Approx. 6.9PK/WHPK2111BN/WHBNBU/WHOG/WH221251415242PK2311 PK/WHBN/WHBNBU/WHOG/WH122441534254The Actuator is inserted, and SG-B2 is locked.Monitor Circuit:Monitor Circuit:Monitor Circuit:Monitor Circuit:Monitor Circuit:Monitor Circuit:SG-B2-□-CSG-B2-□-D11-1223-2441-4253-5411-1221-2241-4251-52BKWH A2 A1（-）（+）Contact operation shows theSG-K21 actuator.(For other actuators, add 1.3 mmto contact operation.)When using the outputs from theSG-B2 safety switch as inputs tosafety circuits,connect the doormonitor circuits (11-12, 21-22)and lock monitor circuits(41-42,51-52) in series. (GS-ET-19)●Wiring• Cable specifications UL style 2464 (80 300V)12c × No.22 AWG• Wire identificationWires are identified by the color and white line printed onthe wire.• Do not use wire which is Black, White, Gray, Gray /White.●Terminal Number Identification• When wiring, the terminal number on each contact isidentified by wire color.The following shows the identification of terminal number• When wiring, cut unnecessary wires such as dummyinsulator (white) and/or unused wires to avoid incorrectwiring.Note: Use the attachedslot plug to close theunused actuatorentry slot.* Mounting pitch is set to 12 mm in factory. When settingthe mounting pitch to 20 mm, widen the pitch of rubbercushions to 20 mm.* The actuator has movement flexibility to the directionsshown in B .* When the mounting pitch is 12 mm (factory setting), the actuatorhas movement flexibility to the directions shown in A and B .* When the mounting pitch is 20 mm, the actuator has movementflexibility to the directions shown in B . Side the rubber cushionstogether with the screws.*7 The actuator stop and The Stopper film are used when adjusting the actuator position.Remove after the actuator position is determined.*8 The direction of adjustable angle can be changed (vertical or horizontal) by changing theinsertion direction of the joint (white plastic part).Do not lose the joints. Actuators do not operate normally without a joint.9 Contact infomation for CEPanasonic Marketing Europe GmbH Panasonic Testing CenterWinsbergring 15, 22525 Hamburg,Germanyhttp://panasonic.net/id/pidsx/globalPRINTED IN JAPAN © Panasonic Industrial Devices SUNX Co., Ltd. 2016Overseas Sales Division (Head Office)2431-1 Ushiyama-cho, Kasugai-shi, Aichi, 486-0901, JapanPhone: +81-568-33-7861 FAX: +81-568-33-8591For sales network, please visit our website.
