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ABBIsolating switch
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OT1250KLAA3BZ

Product ID:93362
Updated: 2026/4/3
ABB OT1250KLAA3BZ

Key Features

  • 1Handle up to 1250A for demanding industrial applications. 2、Suit 3-phase systems to enhance operational efficiency and reliability. 3、Ensure IP65 protection against dust and water ingress. 4、Build with high-quality materials for extended service life. 5、Ship to over 240 countries for global availability and support.
Product Details
OT1250KLAA3BZ
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Degree of Protection
acc. to IEC 60529 IP65
Pollution Degree
3
Product Net Width
800 mm
Product Net Height
1200 mm
Product Net Depth / Length
330 mm
Product Net Weight
84.93 kg
Cable Entry Position
Up/Down
Cable Outlets Per Side
Open / Open
Connecting Capacity Main Circuit
Hole Diameter 12 mm Screw Clamp / PE Terminal 8pcs, 25…120 mm²
Conventional Thermal Current (Ithe)
Fully Enclosed 1250 A
Degree of Protection
acc. to IEC 60529 IP65
Enclosure Material
Steel sheet
Handle Color
Black
Handle Type
Pistol handle
Maximum Mounted Auxiliary Contacts
2 NO, 2 NC
Mounted Auxiliary Contacts
0 NO, 0 NC
Number of Poles
3P
Pollution Degree
3
Power Loss
at Rated Operating Conditions per Pole 29 W
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 1000 V
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 1250 A (690 V) 1250 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 1250 A (690 V) 1250 A
Rated Operational Power AC-23A (Pe)
(380 ... 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 AC) 110 kA
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 50 kA
Standards
IEC 60947-1, -3
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
WEEE Category
4. Large Equipment (Any External Dimension More Than 50 cm)
Manufacturer ID
1SCA022569R4310

Specifications may be subject to change without notice