OT125FT4N1
Product ID:82375
Updated: 2026/4/3

Key Features
- 1Handle high operational currents up to 125 A for reliable power distribution. 2、Construct with robust stainless steel handles for enhanced durability and longevity. 3、Operate from the front with IP20 protection for secure and efficient use. 4、Mount on DIN-rails for easy installation in diverse electrical systems. 5、Comply with international standards like IEC/EN 60664-1 for assured safety.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Degree of Protection | Front IP20 | Environmental Information | 1SCC301264D0201 |
| Pollution Degree | 3 | Product Net Width | 96.5 mm |
| Product Net Height | 100 mm | Product Net Depth / Length | 66.5 mm |
| Product Net Weight | 0.5 kg | Cable Cross-Section | Cu 10 ... 70 mm² |
| Conventional Free-air Thermal Current (Ith) | Π= 40 °C 125 A | Conventional Thermal Current (Ithe) | Fully Enclosed 125 A |
| Degree of Protection | Front IP20 | Distance Between Phases | Standard |
| Fourth Pole Position | Left Side | Fourth Pole Type | Switched - Simultaneous Function |
| Handle Type | Handle and shaft not included | Lock Type | No |
| Mechanical Durability | 20000 | Mounting Type | Door mounting |
| Number of Poles | 4P | 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 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 |
| 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 | 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 |
| 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) |
| eClass | V11.1 : 27371403 | WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| Manufacturer ID | 1SCA105067R1001 |
Specifications may be subject to change without notice
