ABB OT1250E12W4 switch disconnector: Front operated, base mounted, 1250 A, 12 kV, IEC 60947-3 compliant. Ideal for high-current applications.
Product ModelOT1250E12W4
Material Number1SCA106845R1001
Product ID82864
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable Performance\"The ABB OT1250E12W4 switch disconnector offers reliable performance in high-current applications, ensuring consistent operation under demanding conditions.\"
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2. Efficient Design\"Designed for front operation and base mounting, this switch disconnector is optimized for efficient use in various electrical systems.\"
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3. High Current Capacity\"With a current rating of 1250 A, the OT1250E12W4 is suitable for applications requiring high electrical currents, making it a versatile choice for many industries.\"
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4. Compliance with Standards\"Compliant with IEC 60947-3 standards, this switch disconnector meets the highest safety and performance requirements, ensuring it is a reliable choice for your electrical needs.\"
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Degree of Protection
Front IP00
Environmental Information
1SCC301233D0201
Pollution Degree
3
Product Net Width
334.5 mm
Product Net Height
306 mm
Product Net Depth / Length
145.5 mm
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5. Durable Construction\"Built with durable materials, the OT1250E12W4 switch disconnector is designed to withstand the rigors of continuous use, providing long-lasting service in your electrical system.\"
Product Net Weight
15.9 kg
Conventional Free-air Thermal Current (Ith)
Π= 40 °C 1250 A
Conventional Thermal Current (Ithe)
Fully Enclosed 1250 A
Degree of Protection
Front IP00
Distance Between Phases
Phase distance 140 mm
Handle Type
Handle and shaft not included
Lock Type
No
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
