OT1250E11

Product ID:75262
Updated: 2026/4/3
ABB OT1250E11

Key Features

  • 1Handle high currents up to 1250A for reliable power distribution. 2、Utilize a 2-pole design compatible with 600VAC/690VAC systems. 3、Choose panel mount or lug terminal options for easy installation. 4、Meet IEC 60947-3 standards ensuring operational safety and reliability. 5、Integrate seamlessly into a wide range of industrial control panels.
Product Details
OT1250E11
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Degree of Protection
Front IP00
Environmental Information
1SCC301233D0201
Pollution Degree
3
Product Net Width
254.5 mm
Product Net Height
306 mm
Product Net Depth / Length
167 mm
Product Net Weight
10.5 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
Standard
Handle Type
Handle and shaft not included
Lock Type
No
Mechanical Durability
6000
Mounting Type
Base mounting
Number of Poles
2
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 (1000 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) 110 kA
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 50 kA
Special Functions
No
Standards
IEC 60947-3
Switches Operating Mechanism
Mechanism Between the Poles 11 (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)
UNSPSC
39122233
IDEA Granular Category Code (IGCC)
5293 >> Switch disconnector
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA113105R1001

Specifications may be subject to change without notice