OT125G3-3DS: A 3-pole front-operated door-mounted switch disconnector with inbuilt screw terminals, designed for high-performance applications by ABB.
Product ModelOT125G3-3DS
Material Number1SCA162531R1001
Product ID90219
Stock on Request
Last updated: 8/29/2026
Key Features
1
Feature1. Reliability and Efficiency \"The OT125G3-3DS ensures reliable and efficient electrical operations, making it ideal for high-performance applications.\"\",\"2. Inbuilt Screw Terminals \"Equipped with inbuilt screw terminals, this switch disconnector simplifies installation and reduces setup time.\"\",\"3. Robust Design \"Built with a robust design, the OT125G3-3DS withstands harsh environments and heavy usage, ensuring long-lasting performance.\"\",\"4. Easy Operation \"Front-operated design allows for easy and convenient operation, reducing the risk of accidents and improving user safety.\"\",\"5. Comprehensive Safety Features \"Comprehensive safety features, including manual emergency operation, ensure that the switch disconnector meets the highest standards of electrical safety.\"
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 IP20
Environmental Information
1SCC301334D0201
Pollution Degree
3
Product Net Width
70 mm
Product Net Height
102.5 mm
Product Net Depth / Length
70 mm
Product Net Weight
0.412 kg
Connecting Capacity Main Circuit
Flexible with Ferrule 1/2x Cu 2.5â¦4 mm² Solid 1/2x Cu 2.5â¦6 mm² Flexible 1x Cu 2.5â¦70 mm² Flexible 2x Cu 2.5â¦25 mm² Stranded 1x Cu 2.5â¦70 mm² Stranded 2x Cu 2.5â¦25 mm²
Conventional Free-air Thermal Current (Ith)
125 A
Conventional Thermal Current (Ithe)
125 A
Degree of Protection
Front IP20
Handle Type
Handle not included
Maximum Mounted Auxiliary Contacts
4 NO, 4 NC
Mechanical Durability
Nr. Operations 100000
Mounting Type
Door 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 4.6 W
Rated Conditional Short-Circuit Current (Inc)
(125 A fuse, 415 V) 50 kA (80 A fuse, 690 V) 50 kA
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
acc. to IEC 60947-1 800 V
Rated Operational Current AC-21A (Ie)
(415 V) 125 A (690 V) 125 A (800 V AC) 80 A
Rated Operational Current AC-22A (Ie)
(415 V) 125 A (690 V) 125 A (800 V) 63 A
Rated Operational Current AC-23A (Ie)
(415 V) 125 A (690 V) 63 A
Rated Operational Power AC-23A (Pe)
(415 V) 55 kW (690 V) 55 kW
Rated Operational Voltage
Main Circuit 800 V
Rated Short-Circuit Making Capacity (Icm)
(690 V) 4.8 kA
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 2.5 kA for 0.2 s 3.3 kA
Recommended Screw Driver
Main Circuit Hexagon 4
Special Functions
No
Standards
IEC60947-3
Switches Operating Mechanism
Mechanism on Top of the Switch
Terminal Type
Screw Terminals
Tightening Torque
acc. IEC 60947-1 6 N·m
Wire Stripping Length
Main Circuit 16-18 mm Main Circuit 0.63-0.71 in
Wire Stripping Length
Main Circuit 16-18 mm Main Circuit 0.63-0.71 in
Recommended Screw Driver
Main Circuit Hexagon 4
Tightening Torque
acc. IEC 60947-1 6 N·m
Tightening Torque UL/CSA
UL 53 lbf·in
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
ETIM 9
EC000216 - Switch disconnector (low voltage)
UNSPSC
39122233
IDEA Granular Category Code (IGCC)
5290 >> Disconnect switch
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
