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ABBDual power conversion switch
Product Model

OTM125F4CB21D400C

Manufacturer

ABB

Category

Dual power conversion switch

Product ID

84314

In Stock
Last updated: 2025/5/1
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ABB OTM125F4CB21D400C

Selling Points

  • 1Configure transfer and back-switching delays for precise control.
  • 2Enhance functionality with plug-in Modbus RTU module for seamless integration.
  • 3Operates within 380-415V AC, ensuring compatibility with various electrical systems.
  • 4Designed for continuous operation with a rated short-time withstand current of 2.5 kA rms.
  • 5Weighs 2.35 kg, making it suitable for space-constrained installations.
Product Details
OTM125F4CB21D400C
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Degree of Protection
Front IP20
Pollution Degree
3
Product Net Width
286 mm 11.26 in
Product Net Height
103 mm 4.06 in
Product Net Depth / Length
131 mm 5.16 in
Product Net Weight
2.11 kg 4.65 lb
Controller Type
21D
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 125 A
Degree of Protection
Front IP20
Fourth Pole Type
Switched - Simultaneous Function
Handle Type
Direct mounted handle
Motor Operational Voltage
380…415 V AC
Mounting Type
Base Mounting Or DIN-rail mounting
Number of Poles
4P
Pollution Degree
3
Position of Line Terminals
Supplies on Bottom - Load on Top
Power Loss
at Rated Operating Conditions per Pole 6.3 W
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
800 V
Rated Operational Current AC-21A (Ie)
(380 ... 415 V) 125 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 125 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 90 A
Rated Operational Current AC-31B (Ie)
(380 ... 415 V) 125 A
Rated Operational Current AC-32B (Ie)
(380 ... 415 V) 125 A
Rated Operational Current AC-33B (Ie)
(380 ... 415 V) 80 A
Rated Operational Power AC-23A (Pe)
(380 ... 415 V) 45 kW
Rated Operational Voltage
Main Circuit 380…415 V
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 2.5 kiloampere rms
Terminal Type
Screw Terminals
Tightening Torque
acc. IEC 60947-1 6 N·m
Transition Type
Open
Tightening Torque
acc. IEC 60947-1 6 N·m
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
ETIM 9
EC000216 - Switch disconnector (low voltage)
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
E-Number (Norway)
4337519
Manufacturer ID
1SCA150574R1001

Specifications may be subject to change without notice