OT250KLAA4BZ

Product ID:91106
Updated: 2026/4/3
ABB OT250KLAA4BZ

Key Features

  • 1Handle up to 250A for robust power distribution. 2、Ensure safe operation in harsh conditions with IP65 protection. 3、Suit 4-pole systems for versatile installation needs. 4、Secure maintenance with padlockable handles. 5、Rely on durable PBT plastic construction for longevity.
Product Details
OT250KLAA4BZ
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Degree of Protection
acc. to IEC 60529 IP65
Pollution Degree
3
Product Net Width
400 mm
Product Net Height
600 mm
Product Net Depth / Length
230 mm
Product Net Weight
16.27 kg
Cable Entry Position
Up/Down
Cable Outlets Per Side
Open / Open
Connecting Capacity Main Circuit
Hole Diameter 8 mm Screw Clamp / PE Terminal 4pcs, 10…70 mm²
Conventional Thermal Current (Ithe)
Fully Enclosed 250 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, 1 NC
Mounted Auxiliary Contacts
0 NO, 0 NC
Number of Poles
4P
Pollution Degree
3
Power Loss
at Rated Operating Conditions per Pole 6.5 W
Rated Conditional Short-Circuit Current (Inc)
40.5 kA
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 1000 V
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 250 A (690 V) 250 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 250 A (690 V) 250 A
Rated Operational Power AC-23A (Pe)
(380 ... 415 V) 132 kW (500 V) 160 kW (690 V) 200 kW
Rated Operational Voltage
Main Circuit 1000 V
Rated Short-Circuit Making Capacity (Icm)
(1000 V AC) 30 kA
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 8 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
1SCA022342R5840

Specifications may be subject to change without notice