ABB OT1250E30W4 changeover switch: Safely and reliably switch between two power sources, suitable for various industries including industry, energy, commercial, and residential.
Product ModelOT1250E30W4
Material Number1SCA022871R7650
Product ID85074
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable Power TransferThe ABB OT1250E30W4 changeover switch ensures safe and reliable power transfer, minimizing downtime and ensuring continuous operation.
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2. High PerformanceDesigned for high-performance applications, this switch offers robust functionality and durability, making it a reliable choice for demanding environments.
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3. Versatile UsageSuitable for a wide range of industries including industry, energy, commercial, and residential, this switch can be used in various settings where power transfer is critical.
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4. Easy InstallationThe OT1250E30W4 is designed for easy installation, reducing setup time and ensuring quick integration into existing systems.
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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
454.5 mm
Product Net Height
306 mm
Product Net Depth / Length
145.5 mm
5. Quality AssuranceManufactured by ABB, a leading brand in electrical supplies, this switch is built to high standards of quality and reliability, providing peace of mind for users.
Product Net Weight
16.9 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
