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Dimensions in millimeters (inch) unless otherwise stated242www.southco.com/C3ACTUAL SIZEApproximate Pull-Up ForceSpring Colour Part Number13 N (3 lbf) Blue C3-180322 N (5 lbf) Silver C3-180544 N (10 lbf) Black C3-1810CommonConnection is live when latch is closedConnection is live when latch is open Two holes Ø 3.3 (.130 ) for M3 or No. 4 sizescrews or Ø 3 rivets+.004- 0 +0.1- 0 40.6(1.60 )+0.3- 0+.012- 00±0.2(0±.008)Centerline of frame holes 15.7 (.618 ) or for adjustability 24.7 (.972 ) (see note)+0.1- 0+.004- 0 +0- 0.3 +0- .012FrameØ4.3 (.169 ) 2 x holes for M4 or No.8 size screws +0.1- 0 +.004- 055±0.5(2.165±.020)Centerline of door holes Door 7(.276 )+0- 0.3+.0- .012Volts DC61 .75.5.250 25 50 75 125 250Current DC (amps)Over 50 V DC, inductive loads should be greatly reducedSwitch specification. Subminiature VDE, UL approved. Switch is fitted with fast-on terminals. Max AC voltage 250V, max AC current 6A. See graph below for DC resistive load.2.5(.1)7.9(.31)2.8 (.11)6.4(.25)8.7(.34)7(.28)7(.28)3 x 0.5(.02)1.7(.07)48.5(1.90)13.7(.54)39.4(1.55)40.6(1.60)5.3 (.21)3.8 (.15) 2 x Ø 3.3 (.13) 2 x 3.3 (.13) 5.1(.20) 14.5 (.57)Cam8 (.32)28(1.11)22.5(.89)THIS PRODUCT IS SPECIFICALLY DESIGNED TO BE USED AS A MECHANICAL GRABBER CATCH WITH AN ELECTRIC SWITCH. THE SWITCH IS DESIGNED TO OPERATE AN INDICATOR LIGHT OR FORM PART OF A NON-SAFETY RELATED LOGIC CIRCUIT. NOT DESIGNED FOR USE AS A SAFETY INTERLOCK.TERMINAL COVER IS USED FOR PROTECTION DURING SHIPPING ONLY. USE STRAIN RELIEF ON WIRES.Terminal detail4(.16)4(.16)55(2.17)Orientationindicator4.3(.17)23.8(.94)4 (.16)11.5(.45)72(2.83)Catch KeeperNote: These holes and dimensions are used only if adjustability through the use of slotted holes in catch is desired.Right Side Installation ShownInvert catch and keeper for left side installationC3 Push-to-Close LatchPull-to-open · Grabber catch with integral Microswitch • Opens and closes switch contacts with door operation• One assembly includes catch and keeper• Spring loaded over-center latchingMaterial and FinishHousing: PC/ABS or glass-filled nylonKeeper: Mineral filled nylonPerformance Details Operating temperature range:-40ºC (-40ºF) to 60ºC (140ºF)Flammability rating: UL94-V0Installation NotesMax. tightening torque on mounting screws (not supplied):Catch 1.1 Nm (9.7 inlbf) Keeper 2.8 Nm (24.8 inlbf)Orient keeper to latch. The arrow on the keeper should point towards the cam. Mount to door and adjust for smooth latching.NotesThis product is specifically designed to be used as a mechanical grabber catch with an electric switch. The switch is designed to operate an indicator light or form part of a non-safety related logic circuit. This is not designed for use as a safety interlock.Terminal cover is used for protection during shipping only. Use strain relief on wires.Min. distance from frame(or surface on which catchsub-assembly is mounted) to centerline of door hinge is 150 (5.9)Part NumberSee table