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ABB
OTL125B4U
ABB
OTL125B4U
Product Model
OTL125B4U
Product ID
880759
Stock on Request
Last updated: 8/31/2026
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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
acc. to IEC 60529 IP65
Pollution Degree
3
Product Net Width
200 mm
Product Net Height
300 mm
Product Net Depth / Length
135 mm
Product Net Weight
3.2 kg
Cable Cross-Section
10 ... 70 mm²
Cable Entry Position
Top and/or Bottom
Cable Outlets Per Side
Blank /Blank
Connecting Capacity Main Circuit
Screw Clamp 10 ... 70 mm² Screw Clamp / PE Terminal 2pc,10 ... 70 mm²
Conventional Thermal Current (I<sub>the</sub>)
Fully Enclosed 125 A
Degree of Protection
acc. to IEC 60529 IP65
Enclosure Material
Steel sheet
Handle Color
Black
Handle Type
Pistol handle
Impact Resistance Rating
Housing IK09
Maximum Mounted Auxiliary Contacts
2 NO, 2 NC
Mounted Auxiliary Contacts
0 NO, 0 NC
Neutral Type
Switchable neutral
Number of Auxiliary Contacts NC
0
Number of Auxiliary Contacts NO
0
Number of Poles
4P
Pollution Degree
3
Position of Line Terminals
Top In - Bottom Out
Position of Neutral Terminals
Top In - Bottom Out
Position of PE Terminals
Top In - Bottom Out
Power Loss
at Rated Operating Conditions per Pole 6.3 W
Rated Insulation Voltage (U<sub>i</sub>)
acc. to IEC/EN 60664-1 750 V
Rated Operational Current AC-21A (I<sub>e</sub>)
(500 V) 125 A (380 ... 415 V) 125 A (690 V) 125 A
Rated Operational Current AC-22A (I<sub>e</sub>)
(380 ... 415 V) 125 A (690 V) 125 A
Rated Operational Current AC-23A (I<sub>e</sub>)
(380 ... 415 V) 90 A (500 V) 70 A (690 V) 50 A
Rated Operational Power AC-23A (P<sub>e</sub>)
(380 ... 415 V) 45 kW (500 V) 45 kW (690 V) 45 kW
Rated Operational Voltage
Main Circuit 750 V
Rated Short-Circuit Making Capacity (I<sub>cm</sub>)
(690 V AC) 3.6 kA
Rated Short-time Withstand Current Low Voltage (I<sub>cw</sub>)
for 1 s 2.5 kA
Recommended Screw Driver
Main Circuit Hexagon 4
Standards
IEC 60947-1, -3
Tightening Torque
Main Circuit 6 N·m
Wire Stripping Length
20 mm
Wire Stripping Length
20 mm
Recommended Screw Driver
Main Circuit Hexagon 4
Tightening Torque
Main Circuit 6 N·m
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
ETIM 9
EC000216 - Switch disconnector (low voltage)
UNSPSC
39122205
IDEA Granular Category Code (IGCC)
5166 >> Safety switch
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA022562R9910
OTL125B4U ABB | INDSLT
