Product Model

OT1250E12W8P

In Stock
Last updated: 2025/4/21
ABB OT1250E12W8P

Selling Points

  • 1High Performance: Designed to handle high currents up to 1250 A.
  • 2Reliable Operation: Meets IEC standards for insulation voltage and impulse withstand voltage.
  • 3Easy Installation: Includes a black on-off plastic handle and shaft with IP65 protection.
  • 4Mechanical Durability: Built to withstand 6000 mechanical operations.
  • 5Versatile Application: Suitable for various voltage ranges including 380-415 V, 500 V, and 690 V.
Product Details
OT1250E12W8P
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Degree of Protection
Front IP00
Environmental Information
1SCC301233D0201
Pollution Degree
3
Product Net Width
544.5 mm
Product Net Height
306 mm
Product Net Depth / Length
145.5 mm
Product Net Weight
19.5 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
Phase distance 185 mm
Handle Color
Black
Handle Type
Handle and shaft included
Lock Type
Yes
Mechanical Durability
6000
Mounting Type
Base mounting
Number of Poles
3P
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) 110 kA
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 50 kA
Special Functions
Wide phase distance 185
Standards
IEC 60947-3
Switches Operating Mechanism
Mechanism Between the Poles 12 (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
1SCA116431R1001

Specifications may be subject to change without notice