OT1250E22W4P

Product ID:82323
Updated: 2026/4/3
ABB OT1250E22W4P

Key Features

  • 1Handle robust power with a high 1250A amperage rating. 2、Install easily using the versatile base mount option. 3、Ensure reliable operation with a 1000VAC voltage rating. 4、Connect versatile electrical systems through four poles. 5、Save panel space with a compact 306x480x309 mm design.
Product Details
OT1250E22W4P
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Degree of Protection
Front IP00
Environmental Information
1SCC301233D0201
Pollution Degree
3
Product Net Width
594.5 mm
Product Net Height
306 mm
Product Net Depth / Length
145.5 mm
Product Net Weight
23 kg
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 1250 A
Conventional Thermal Current (Ithe)
Fully Enclosed 1250 A
Degree of Protection
Front IP00
Distance Between Phases
Phase distance 140 mm
Fourth Pole Position
Right Side
Fourth Pole Type
Switched - Simultaneous Function
Handle Color
Black
Handle Type
Handle and shaft included
Lock Type
Yes
Mechanical Durability
6000
Mounting Type
Base mounting
Number of Poles
4P
Operating Mode
Front operated
Pollution Degree
3
Position of Line Terminals
Top In - Bottom Out Bottom In - Top Out
Power Loss
at Rated Operating Conditions per Pole 29 W
Rated Impulse Withstand Voltage (Uimp)
12 kV
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 1000 V
Rated Operational Current AC-21A (Ie)
(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A
Rated Operational Power AC-23A (Pe)
(400 ... 415 V) 710 kW (500 V) 900 kW (690 V) 1200 kW
Rated Operational Voltage
Main Circuit 1000 V
Rated Short-Circuit Making Capacity (Icm)
(690 V) 92 kA
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 50 kA
Special Functions
Wide phase distance 140
Standards
IEC 60947-3
Switches Operating Mechanism
Mechanism Between the Poles 22 (Between the Poles)
Terminal Type
Lug terminals
Tightening Torque
acc. IEC 60947-1 50 … 75 N·m
Tightening Torque
acc. IEC 60947-1 50 … 75 N·m
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
ETIM 9
EC000216 - Switch disconnector (low voltage)
eClass
V11.1 : 27371403
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
Manufacturer ID
1SCA109221R1001

Specifications may be subject to change without notice