Safety Light Curtains / Pinnacle Systems Inc.

Sales: (412) 262-3950 • Service: (630) 443-8542

Safety Relay and Socket Assembly

Part #52-278 (Two Required)

DIN-Rail or Back Plate Mounting

Contact material	AgSn O₂₊ O.2µm Au
Type of contact	Crest contact
Rated switching capacity	250VAC 8A AC1 2’000VA
Electr. Life AC1 (360 cycles/h)	Approx. 100’00
Inrush current max.	20A for 20ms
Switching voltage range	5 to 250 VDC/VAC
Switching current range*	10mA to 8A
Switching capacity range*	0.06VA(W) to 2’000VA
Contact resistance (as delivered)	≤100m Ω/28V/100mA

*Guide Values

CE Marks

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Technical Data

Rate current	6A
Rated voltage	250VAC
Test voltage coil/contacts	2’500Veff
Insulation class (IEC 60664-1)	250VAC
Creepage resistance	CTI 250
Weight	Approx. 65g
Ambient temperature	-25°C to +70°C
Cross sections for connection with -Wires -End sleeves for stands	2x2.5mm² 2x1.5mm²
Torque max.	0.8 Nm

Relay
Safety Relay

Inserts into

Relay

DIN-Rail Socket

Relay Schematic

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◦	Model SS Product Overview
◦	Model SS Blanking Options
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◦	Model SS Ordering Procedure
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◦	Model MG Ordering Procedure
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◦	Model MG Ethernet Option
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◦	Model DR Product Overview
◦	Model DR Smart Controller
◦	Model DR Design Criteria
◦	Model DR Features
◦	Model DR Dimensions
◦	Model DR Blanking Options
◦	Model DR Ordering Procedure
◦	Model DR Accessories
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◦	Model CE Product Overview
◦	Model CE Blanking Options
◦	Model CE Safety Relay
◦	Model CE Specs and Dimensions
◦	Model CE Ordering Procedure
◦	Model CE Accessories
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◦	Model CA Product Overview
◦	Model CA Blanking Options
◦	Model CA Safety Relay
◦	Model CA Specs and Dimensions
◦	Model CA Ordering/Pricing Procedure
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◦	Model PPG Product Overview
◦	Model PPG Dimensions
◦	Model PPG Ordering Procedure
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◦	What can UltraTouch do for you?
◦	UltraTouch Benefits
◦	Ergonomic Palm Button Comparison
◦	UltraTouch Specifications
◦	UltraTouch Dimensions
◦	UltraTouch Models Available
◦	UltraTouch Ordering Procedure and Finding a Part Number
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◦	Fencing Overview
◦	Fencing Specifications
◦	Fencing Styles
◦	Complies with Safety Standards
◦	OSHA Table 0-10
◦	Fencing Warranty
◦	Proposal Request

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◦	Punch Press Clutch/Brake Controls
◦	Press Automation
◦	Die Protection
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◦	1910.213
◦	1910.216
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◦	Appendix A
◦	Appendix B
◦	Appendix C
◦	Appendix D
◦	ISO and IEC Standards
◦	What Does OSHA Do?
◦	ANSI
◦	Domestic and International Standards Organizations
◦	OSHA Concept and Techniques of Machine Guarding