OT400U04P
Product ID:74253
Updated: 2026/4/3

Key Features
- 1Handle high-power loads with a 400A amperage rating. 2、Connect versatile systems using four poles for flexibility. 3、Ensure safe panel mounting with UL98 approval for compliance. 4、Operate quickly with a front-operated, non-fusible switch design. 5、Save panel space with compact 220x275x85 mm dimensions.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Degree of Protection | Front IP00 | Environmental Information | 1SCC301266D0201 |
| Pollution Degree | 3 | Product Net Width | 275 mm |
| Product Net Height | 220 mm | Product Net Depth / Length | 105 mm |
| Product Net Weight | 4 kg 8.8 lb | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 400 A |
| Conventional Thermal Current (Ithe) | Fully Enclosed 400 A | Degree of Protection | Front IP00 |
| Distance Between Phases | Standard | Fourth Pole Position | Right Side |
| Fourth Pole Type | Switched - Simultaneous Function | Handle Color | Black |
| Handle Type | Handle and shaft included | Lock Type | Yes |
| Mechanical Durability | 16000 | Mounting Type | Base mounting |
| Number of Poles | 4 | 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 10 W | Rated Impulse Withstand Voltage (Uimp) | 12 kV |
| Rated Insulation Voltage (Ui) | acc. to IEC/EN 60664-1 1000 V | Rated Operational Current AC-21A (Ie) | (380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A |
| Rated Operational Current AC-22A (Ie) | (380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A | Rated Operational Current AC-23A (Ie) | (380 ... 415 V) 400 A (500 V) 400 A (690 V) 400 A |
| Rated Operational Power AC-23A (Pe) | (380 ... 415 V) 220 kW (500 V) 280 kW (690 V) 400 kW | Rated Operational Voltage | Main Circuit 1000 V |
| Rated Short-Circuit Making Capacity (Icm) | (690 V) 65 kA | Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 15 kA |
| Special Functions | No | Standards | IEC 60947-3 / UL 98 / CSA C22.2 NO.4 |
| Switches Operating Mechanism | Mechanism at the End of the Switch 04 (Left Side) | Terminal Type | Lug terminals |
| Terminal Width | 25 mm | Tightening Torque | acc. IEC 60947-1 42.4 N·m |
| Maximum Operating Voltage UL/CSA | 600 V | Ampere Rating | 400 A |
| Horsepower Rating UL/CSA | (acc. to UL 200 V) 100 Hp (acc. to UL 208 V) 100 Hp (acc. to UL 240 V) 125 Hp (acc. to UL 480 V) 250 Hp (acc. to UL 600 V) 350 Hp | Tightening Torque | acc. IEC 60947-1 42.4 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) | E-Number (Finland) | 3660855 |
| Manufacturer ID | 1SCA022719R1900 |
Specifications may be subject to change without notice
