Product designation				SRA
Product type designation				Single function
General characteristics
General characteristics
Functions				Devices OSSD
Contact characteristics
Type of contact				2NO
Operations
Mechanical life			cycles	>10⁷
Auxiliary supply
Nominal auxiliary voltage supply				24VDC
Operating range			V	22...26VDC / 20.4...27.6VAC
Overvoltage category				III
Insulation voltage			kV	4
Input characteristics
Number of inputs			Nr.	2
Input current			mA	Typical 4.3
Input voltage				0-30VDC
Output characteristics
Number of safe outputs NO			Nr.	2
Number of safe outputs NC			Nr.	0
Number of feedback outputs			Nr.	0
Output type				Relays with forcibly guided contacts
Output contacts ratings				AC1 250V: 6A-2000VA AC15 230V: 5A DC13 24V: 2A
UL 508 ratings				Pilot duty: B300-Q300
Mechanical life			cycles	>10⁷
Electrical life AC1 at 360 commutations/h			cycles	10⁵
Safety parameters
ISO 13849-1 security category				Cat. 4
ISO 13849-1 performance level				PLe
Mechanical features
Fixing				35mm DIN rail
Weight			g	150
Ambient conditions
Protection degree				IP40 on front IP20 on terminals
Pollution degree				2
Temperature
	Operating temperature
		min	°C	-25
		max	°C	+55
	Storage temperature
		min	°C	-30
		max	°C	+70
Relative humidity			%	≤95
ETIM classification
ETIM 8.0				EC001449 - Device for monitoring of safety-related circuits

cULus
TUV

EN/ISO/BS 13849-1
EN/BS 62061

SRASM20

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Safety relay SRA… series, single function, 2NO, for OSSD devices and integrated safety functions (EDM), auxiliary supply 24VDC, up to CAT.4, Ple

Order code	SRASM20
Weight [g]	150
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	127X113X036
Volume [cm³]	857.142
Bar code [EAN13]	8013975296158
HS Code	85365080

Data Sheet

360°

Dimensions

Wiring diagram

Catalogue