ESD3-03 CAT 3 Safety Switching Unit 24V w/ Auto Reset

ESD3-03 CAT 3 Safety Switching Unit 24V w/ Auto Reset

SKU: 210979

£387.33 In stock

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Minimum Qty	Discount Price (each)
Buy 5 + (5% off)	£ 367.96
Buy 10 + (10% off)	£ 348.60

Product Overview

BBC Bircher Smart Access ESD3 is a DIN Rail Mounted, Safety Category 3 (according EN954-1/EN13849-1) Safety Relay for use with safety mats and safety edges according to EN 1760-1 and for safety edges according to EN 1760-2.

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Description
Application
Downloads

ESD3 Bircher Safety Relay, Category 3

This model features External Reset and its Auxiliary Relay has Normally Open Contacts that indicates the Status of the sensor. The unit operates at 24V ACDC.

Safety Category 3 according to EN954-1/EN13849-1
Self-monitoring
Double redundant signal evaluation
AUTO RESET
Fail-safe
Force guided relay

The Safety Edges or Mats have a terminal resistance of 8.2 k Ohm which is monitored for any changes by a continuously flowing no-load current. While the Sensors are not activated both safety relays are energized, but when one or more Sensors are activated and the total resistance sinks falls below the lower threshold (6.2 k Ohm) the relays are de-energized and the yellow LED illuminates indicating that the safety mat, safety edge or safety bumper has been activated. When an error occurs in the Sensor circuit such as when the total resistance rises towards infinity (open circuit) or if the value rises above the defined threshold (11 k Ohm) the relays are de-energised and the red LED illuminates indicating a fault. BBC Bircher Smart Access set the standard when it comes to activation and safety products, providing market leading product in todays ever demanding safety market.

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