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ALLEN-BRADLEY

GUARDMASTER EXPANSION MODULE DELAYED OUTPUTS SAFETY RELAY

440R-EM4R2D
2109390

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The ALLEN-BRADLEY 440R-EM4R2D is an expansion module that adds delayed outputs for safety monitoring systems. Designed for use with Guardmaster monitoring safety relays, this EMD provides delayed output functionality while accepting a single-wire safe-only input and offering zero auxiliary outputs. It supports safety control architectures where timed output behavior is required without additional auxiliary contacts. Ideal for machine safety applications that need a compact expansion module to integrate delayed safety outputs into existing Guardmaster relay setups, simplifying retrofits and system expansions.
allen-bradley-440r-em4r2d
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Product Overview

Product ID:
2109390
Manufacturer Part Number:
440R-EM4R2D
EAN:
10885630181698
Brand/Manufacturer
ALLEN-BRADLEY
Unit of Measure:
PCS

Specification

Depth:
113.6 mm
Height:
105.7 mm
Model:
Expansion device
Number of outputs, safety related, delayed, semiconductors:
0
Number of outputs, safety related, delayed, with contact:
4
Number of outputs, safety related, undelayed, semiconductors:
0
Number of outputs, safety related, undelayed, with contact:
0
Number of outputs, signalling function, delayed, semiconductors:
0
Number of outputs, signalling function, delayed, with contact:
0
Number of outputs, signalling function, undelayed, semiconductors:
0
Number of outputs, signalling function, undelayed, with contact:
1
Performance level according to EN ISO 13849-1:
Level e
Release-delay:
0...300 s
Stop category according to IEC 60204:
1
Suitable for monitoring of emergency-stop circuits:
yes
Suitable for monitoring of magnetic switches:
no
Suitable for monitoring of optoelectronic protection equipment:
no
Suitable for monitoring of position switches:
no
Suitable for monitoring of proximity switches:
no
Suitable for monitoring of tactile sensors:
no
Suitable for rail mounting:
yes
Supply voltage DC:
24...24 V
Type of electric connection:
Plug-in connection
Voltage type (supply voltage):
DC
Width:
22.5 mm
With approval according to UL:
yes
With detachable clamps:
yes
With feedback circuit:
yes
With muting function:
no
With start input:
yes

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