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REL-IR2/LDP- 48DC/2X21 - Single relay

2903661

Plug-in industrial relay with power contacts, 2 changeover contacts, test button, status LED, freewheeling diode, mechanical switching position indicator, polarity: A1+, A2-, input voltage: 48 V DC

This product needs further products for operation. Mandatory accessories

Product details

Product type	Single relay
Operating mode	100% operating factor
Mechanical service life	approx. 2x 10⁷ cycles
Insulation characteristics
Insulation	Basic insulation
Overvoltage category	III
Pollution degree	3 (Rated voltage of 230 V)
	2 (Rated voltage of 400 V)
Data management status
Date of last data management	03.07.2025

Service life electrical	see diagram
Maximum power dissipation for nominal condition	1.06 W
Test voltage (Winding/contact)	2.5 kV_rms (50 Hz, 1 min., winding/contact)
Test voltage (Contact/contact)	2.5 kV_rms (50 Hz, 1 min., contact/contact)
Test voltage (Changeover contact/changeover contact)	2.5 kV_rms (50 Hz, 1 min., changeover contact/changeover contact)
Rated insulation voltage	250 V AC
Rated surge voltage	4 kV

Coil side
Nominal input voltage U_N	48 V DC
Input voltage range	37.4 V DC ... 93.6 V DC
Input voltage range in reference to U_N	see diagram
Drive and function	monostable
Drive (polarity)	polarized
Typical input current at U_N	22 mA
Typical response time	13 ms
Typical release time	14 ms
Protective circuit	Freewheeling diode
Status display	LED (yellow)

Switching
Contact switching type	2 changeover contacts
Type of switch contact	Single contact
Contact material	AgNi
Maximum switching voltage	250 V AC/DC
Minimum switching voltage	5 V (At 24 mA)
Limiting continuous current	12 A
Maximum inrush current	30 A (20 ms, N/O contacts)
Min. switching current	5 mA (at 24 V)
Interrupting rating (ohmic load) max.	288 W (at 24 V DC)
	124 W (at 48 V DC)
	108 W (at 60 V DC)
	52 W (at 110 V DC)
	48 W (at 220 V DC)
	3000 VA (for 250 V AC)
Switching capacity min.	0.12 W
Motor load according to UL 508	1/2 HP, 240 V AC

Connection method	Plug-in connection

Width	21.2 mm
Height	27.5 mm
Depth	35.6 mm

Ambient conditions
Degree of protection	RT I
Ambient temperature (operation)	-40 °C ... 70 °C
Ambient temperature (storage/transport)	-40 °C ... 85 °C

Corrosive gas test
Identification	ISA-S71.04. G3 Harsh Group
	EN 60068-2-60

Standards/regulations	IEC 60664
	IEC 61810

Mounting position	any

Commercial data

Item number	2903661
Packing unit	10 pc
Minimum order quantity	10 pc
Sales key	DK6943
Product key	DK6943
GTIN	4046356758147
Weight per piece (including packing)	36,29 g
Weight per piece (excluding packing)	36,23 g
Customs tariff number	85364190
Country of origin	PL

Classifications

Approvals

Environmental product compliance

Compatible products

Mandatory accessories

ECLASS-13.0	27371601
ECLASS-15.0	27371601

EU RoHS
Fulfills EU RoHS substance requirements	Yes (No exemptions)
China RoHS
Environment friendly use period (EFUP)	EFUP-E No hazardous substances above the limits
EU REACH SVHC
REACH candidate substance (CAS No.)	No substance above 0.1 wt%

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

REL-IR2/LDP- 48DC/2X21 - Single relay

2903661

Product details

ECLASS

ETIM

UNSPSC

CSA

VDE Zeichengenehmigung

cULus Recognized

Compatible products

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

REL-IR2/LDP- 48DC/2X21 - Single relay 2903661

Product details

ECLASS

ETIM

UNSPSC

Compatible products

RIF-2-BPT/4X21 - Relay base 2900934

RIF-2-BSC/4X21 - Relay base 2900932

REL-IR2/LDP- 48DC/2X21 - Single relay

2903661