Reversing load relay - PLC-SC-ELR W1/ 2-24DC

PLC-INTERFACE as an electronic reversing load relay, consisting of PLC-BSC.../21 basic terminal block with screw connection and integrated circuit, for driving DC motors, with LED and protective circuit, output: 10 ... 30 V DC/2 A

Product Details

Utilization restriction
EMC note EMC: class A product, see manufacturer's declaration in the download area

Product type Solid-state contactor
Operating mode 100% operating factor
Insulation characteristics
Overvoltage category II
Pollution degree 2
Insulation Basic insulation

Number of phases 1
Rated insulation voltage 50 V
Rated surge voltage 0.5 kV
Input name Device supply
Rated control circuit supply voltage US 24 V DC
Control supply voltage range 19.2 V DC ... 28.8 V DC

Input name Control input right/left
Rated actuating voltage UC 24 V DC
Triggering voltage range 19.2 V DC ... 28.8 V DC
Rated actuating current IC  3 mA
Typical response time 200 µs
Protective circuit Reverse polarity protection
Surge protection
Surge voltage protection > 33 V DC
Transmission frequency 300 Hz
Switchover time RL/LL (turn-on time) 80 ms

DC output
Note Protect the supply voltage at the output using a suitable fuse.
Rated operating voltage Ue 24 V DC
Operating voltage range 10 V DC ... 30 V DC
Load current 2 A
Quiescent current 10 mA
Protective circuit Reverse polarity protection; Polarity protection diode (No continuous protection against polarity reversal)
Surge protection
Surge voltage protection > 33 V DC
Motor switching output
Note Short-circuit and overload protection
Continuous load current 2 A (see derating curve)
Short-circuit current 15 A (during braking)
Protective circuit Surge protection
RC element
Surge voltage protection > 33 V DC

Connection method Screw connection
Stripping length 8 mm
Screw thread M3
Conductor cross section solid 0.14 mm² ... 2.5 mm²
Conductor cross section flexible 0.14 mm² ... 2.5 mm²
0.2 mm² ... 2.5 mm² (Single ferrule)
2x 0.5 mm² ... 1.5 mm² (TWIN ferrule)
Conductor cross section AWG 26 ... 14
Torque 0.6 Nm ... 0.8 Nm

Status display Yellow LED
Operating voltage display Green LED

Width 6.5 mm
Height 80 mm
Depth 86 mm

Flammability rating according to UL 94 V0

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -25 °C ... 60 °C
Ambient temperature (storage/transport) -40 °C ... 85 °C

Designation UKCA
Certificate UKCA-compliant
Designation CE
Certificate CE-compliant
Designation Corrosive gas test
Identification ISA-S71.04. G3 Harsh Group
EN 60068-2-60

Air clearances and creepage distances between the power circuits
Standards/regulations IEC 60664
EN 50178

Mounting type DIN rail mounting
Assembly instructions in rows with zero spacing
Mounting position Vertical (horizontal DIN rail)

Item number 2980539
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key CK7621
Product Key CK7621
Catalog Page Page 423 (C-5-2019)
GTIN 4046356051309
Weight per Piece (including packing) 59.9 g
Weight per Piece (excluding packing) 46.9 g
Customs tariff number 85364190
Country of origin DE


ECLASS-9.0 27371014
ECLASS-10.0.1 27371014
ECLASS-11.0 27371014


ETIM 8.0 EC002055


UNSPSC 21.0 39122300


Approval ID: TR_TS_D_00573_c

REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50 years
For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

Your advantages

Wear-free reversing
Short-circuit, surge, and overload-proof output
Screw or spring-cage connection
Braking by controlling both inputs
Integrated locking circuit and load wiring