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SR131A

Safety Monitoring Relays

Safety Monitoring Relays

OSTI Safety Monitoring Relays - 28201 SR131A

SR131A

Dual-Channel Safety Monitoring Relay

•Power requirements—the SR131A will accept 24 VDC•Inputs—The SR131A is designed to monitor two magnetically encoded non-contact switches with 1 N/C and 1 N/O contacts•Outputs—the SR131A has 2 N/O outputs to route power to the coils of external device power contactors plus 2 N/C auxiliary solid state outputs for signaling purposes•External Device Monitoring (EDM) is provided with a N/C loop between Y1 and Y2 on the SR131A•Selectable reset modes—automatic/manual reset mode is available on the SR131A

R C US C US Conforms to EN60204-1, EN954-1, EN292, and EN1088 UL and C-UL listed, CSA and BG approved

Specifications

Electrical All ModelsPower Supply: ±20%, 24 VDC Power Consumption: b 2.5 W Internal Fuse: Electronic

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Safety Inputs: 1 N/C + 1 N/O from two magnetically coded switches Relay Outputs: 2 N/O (2 solid state for signaling) Max Switched AC: Inductive AC-15, 1800 VA inrush, 180 VA maintained Max Switched DC: Inductive DC-13, 1.5 A/24 V Min Switched Current/Voltage: 10 mA/1 V (provided that the contact has never been used with higher loads) Impulse Withstand Voltage: 4000 V Max Drop-Out Time: 20 ms Max Output Fuse: 4 A slow-acting fuse or 6 A quick-acting fuse Reset Mode: Automatic/manual External Device Monitoring (EDM): N/C loop between Y1 and Y2 MechanicalMounting: 35 mm (1.38 in.) DIN rail Case Material: Polyamide PA6.6 Max Wire Size: 0.2 to 1.5 mm
2 (24 to 16 AWG) Weight: 180 g (6.4 oz.) Color: Red Indication: Green = Power on, Red = Fault indication, Green = Outputs closed Mechanical Life: 1 x 10
6 operations EnvironmentalEnclosure Protection: IP20 terminals, IP40 (NEMA 1) housing Operating Temperature: -10 to 55°C (14 to 131°F)Please view complete specifications, ordering and accessories for this product at www.sti.com to assure it is correct for your application. Specifications are subject to change without notice. Popular Models: For your convenience, we’ve listed our most popular models of this product on page I-22. Omron STI has many additional models available, some are readily available. Use www.sti.com’s SpeedSPEC Code “Relay” to quickly review additional products.

OMRON SCIENTIFIC TECHNOLOGIES, INC. USA For Complete Specifications and Additional Models

Tel. 1/888/510-4357

Canada

Tel. 1/866/986-6766 On the Internet: www.sti.com or www.omron.ca

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