Phoenix REL-IR4/LDP- 12DC/4X21-single relay 2903676, plug-in industrial relay, with power contacts and additional hard gold plating, 4 PDTs, test keys, status LED, freewheeling diode, mechanical switch position display, Polarity: A1, A2-, coil voltage: 12V DC

Product Type Single relay
Mode of operation 100% operating factor
mechanical life about 2x 107times
insulation characteristics
insulation Foundation Isolation
Overvoltage Category II
pollution level 2
Data Management Status
Last data maintenance date 29.07.2025

service life, electrical See Graph
rated conditions 0.94W
test voltage (coil/contact) 2.5 kVrms(50Hz,1 min, coil/contact)
test voltage (changeover contact/changeover contact) 2 kVrms(50Hz,1 minute, changeover contact/changeover contact)
Rated insulation voltage 250V AC
Rated overvoltage 2.5 kV

coil side
Rated input voltage UN 12V DC
Input Voltage Range 9.6V DC ... 21.6V DC (20 °C)
drives and functions monostable
drive (polarity) polarization
UN 78 mA
Typical Response Time 13 ms
Typical release time 14 ms
protection circuit freewheeling diode
Status Display LED (yellow)

switching
Contact Type 4 PDT
Switch Contact Type Single contact
Contact Material AgNi
maximum switching voltage 250V AC/DC
Minimum Switching Voltage 5V (when 24 mA)
limit continuous current 6 A
Maximum impact current 16 A (20 ms, normally open contact)
minimum switching current 5 mA (24 V)
Maximum power rating (resistive load) 144W (24V DC)
124W (available for 48V DC)
108W (available for 60V DC)
52W (available for 110V DC)
48W (available for 220V DC)
1500 VA (available for 250V AC)
Minimum on-off capacity 0.12W
switch capacity 2 A (24V, DC13)
0.22 A (120V, DC13)
0.11 A (250V, DC13)
1.5 A (24V, AC15)
1.5 A (120V, AC15)
1 A (240V, AC15)
UL 508 Motor Loads 1/3 HP,240 V AC

Connection Mode in-line connection

width 21.2mm
height 27.5mm
depth 35.6mm

environmental conditions
protection level 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

Installation position arbitrary

Phoenix REL-IR4/LDP- 12DC/4X21-Single Relay 2903676

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Created on：2025-09-22 15:36

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