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ABBIsolating switch
Product Model

OT1250E03K

Manufacturer

ABB

Category

Isolating switch

Product ID

87110

In Stock
Last updated: 2025/4/25
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ABB OT1250E03K

Selling Points

  • 1Equipped with comprehensive inbuilt safety features for reliable operation in extreme conditions.
  • 2Space-saving solution with a uniquely short current path and double-sided spring construction.
  • 3Suitable for machinery, power distribution, switchboards, motor control centers, and photovoltaic systems.
  • 4Handles up to 125 A with a rated insulation voltage of 750 V and dielectric strength of 6 kV.
  • 5Designed for 20,000 operation cycles with integrated terminal lug kits for easy wiring.
Product Details
OT1250E03K
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
334.5 mm
Product Net Height
306 mm
Product Net Depth / Length
167 mm
Product Net Weight
15.6 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 Color
Black
Handle Type
Direct mounted pistol type handle
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 Conditional Short-Circuit Current (Inc)
(1250 A fuse, 415 V) 80 kA (1250 A fuse, 500 V) 100 kA
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
No
Standards
IEC 60947-3
Switches Operating Mechanism
Mechanism at the End of the Switch 03 (Left Side)
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
5. Small Equipment (No External Dimension More Than 50 cm)
E-Number (Finland)
3660816
Manufacturer ID
1SCA108356R1001

Specifications may be subject to change without notice