OT125F3
Product ID:87137
Updated: 2026/4/4
Key Features
- 1Handle 125 A for reliable power distribution. 2、Operate on 50/60 Hz frequencies for global compatibility. 3、Control motors up to 50 hp in heavy-duty applications. 4、Protect with a fully enclosed design and 3.6 kA SCCR. 5、Install easily via base mount with screw terminals.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Degree of Protection | Front IP20 | Environmental Information | 1SCC301264D0201 |
| Pollution Degree | 3 | Product Net Width | 70 mm |
| Product Net Height | 100 mm | Product Net Depth / Length | 74 mm |
| Product Net Weight | 0.36 kg | Cable Cross-Section | Cu 10 ... 70 mm² |
| Connecting Capacity Main Circuit | Flexible 1x Cu 10â¦70 mm² Stranded 1x Cu 10â¦70 mm² | Conventional Free-air Thermal Current (Ith) | Î = 40 °C 125 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 125 A | Degree of Protection | Front IP20 |
| Distance Between Phases | Standard | Handle Type | Knob Handle and shaft not included |
| Lock Type | No | Mechanical Durability | 20000 |
| 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 6.3 W |
| Rated Conditional Short-Circuit Current (Inc) | (125 A fuse, 415 V) 50 kA (125 A fuse, 690 V) 10 kA (63 A fuse, 690 V) 50 kA | Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Rated Insulation Voltage (Ui) | acc. to IEC/EN 60664-1 750 V | Rated Operational Current AC-21A (Ie) | (380 ... 415 V) 125 A (500 V) 125 A (690 V) 125 A |
| Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 125 A (500 V) 125 A (690 V) 125 A | Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 90 A (500 V) 70 A (690 V) 50 A |
| Rated Operational Power AC-23A (Pe) | (220 ... 240 V) 22 kW (400 ... 415 V) 45 kW (500 V) 45 kW (690 V) 45 kW | Rated Operational Voltage | Main Circuit 750 V |
| Rated Short-Circuit Making Capacity (Icm) | (690 V) 3.6 kA | Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 2.5 kA |
| Recommended Screw Driver | Main Circuit Hexagon 4 | Special Functions | No |
| Standards | IEC 60947-3 | 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 18-21 mm | Maximum Operating Voltage UL/CSA | 600 V |
| Ampere Rating | 100 A | Horsepower Rating UL/CSA | (acc. to UL 200 V) 25 Hp (acc. to UL 480 V) 50 Hp (acc. to UL 240 V) 30 Hp (acc. to UL 208 V) 25 Hp (acc. to UL 600 V) 50 Hp |
| Wire Stripping Length | Main Circuit 18-21 mm | Recommended Screw Driver | Main Circuit Hexagon 4 |
| Tightening Torque | acc. IEC 60947-1 6 N·m | 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) |
| E-Number (Finland) | 3601409 | E-Number (Norway) | 4363532 |
| E-Number (Sweden) | 3170943 | Manufacturer ID | 1SCA105033R1001 |
Specifications may be subject to change without notice