REL-IR4/LDP- 24DC/4X21 - Single relay

2903677

Plug-in industrial relay with power contacts, 4 changeover contacts, test button, status LED, freewheeling diode, mechanical switching position indicator, polarity: A1+, A2-, input voltage: 24 V DC

Product type Single relay
Operating mode 100% operating factor
Mechanical service life approx. 2x 107 cycles
Insulation characteristics
Insulation Basic insulation
Insulation characteristics
Insulation Basic insulation
Overvoltage category II
Pollution degree 2

Service life electrical see diagram
Maximum power dissipation for nominal condition 1.01 W
Test voltage (Winding/contact) 2.5 kVrms (50 Hz, 1 min., winding/contact)
Test voltage (Changeover contact/changeover contact) 2 kVrms (50 Hz, 1 min., changeover contact/changeover contact)
Rated insulation voltage 250 V AC
Rated surge voltage 2.5 kV

Coil side
Nominal input voltage UN 24 V DC
Input voltage range 18.7 V DC ... 46.8 V DC (20 °C)
Drive and function monostable
Drive (polarity) polarized
Typical input current at UN 42 mA
Typical response time 13 ms
Typical release time 14 ms
Protective circuit Freewheeling diode
Status display Yellow LED

Switching
Contact switching type 4 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 6 A
Maximum inrush current 16 A (20 ms, N/O contacts)
Min. switching current 5 mA (at 24 V)
Interrupting rating (ohmic load) max. 144 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)
1500 VA (for 250 V AC)
Switching capacity min. 0.12 W
Switching capacity 2 A (at 24 V, DC13)
0.22 A (at 120 V, DC13)
0.11 A (at 250 V, DC13)
1.5 A (at 24 V, AC15)
1.5 A (at 120 V, AC15)
1 A (at 240 V, AC15)
Motor load according to UL 508 1/3 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