OT400U12C
Product ID:90020
Updated: 2026/4/3

Key Features
- 1Deliver efficient power distribution with a high 400 A amperage rating. 2、Ensure reliable operation via a robust 65 kA short circuit current rating. 3、Simplify installation using the front-operated non-fusible switch and lug terminals. 4、Guarantee safety and reliability through UL/CSA standards compliance. 5、Enable versatile installation with base mounting and compact 220x221x85 mm dimensions.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Degree of Protection | Front IP20 | Environmental Information | 1SCC303050D0201 |
| Pollution Degree | 3 | Product Net Width | 251 mm |
| Product Net Height | 185 mm | Product Net Depth / Length | 203 mm |
| Product Net Weight | 5.9 kg | Conventional Free-air Thermal Current (Ith) | Π= 40 °C 400 A |
| Degree of Protection | Front IP20 | Distance Between Phases | Standard |
| Handle Color | Black | Handle Type | Handle and shaft not included |
| 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 10 W |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV | Rated Insulation Voltage (Ui) | 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 Current AC-31B (Ie) | (380 ... 415 V) 400 A |
| Rated Operational Current AC-33B (Ie) | (380 ... 415 V) 400 A | Rated Operational Voltage | 1000 V |
| Rated Short-time Withstand Current Low Voltage (Icw) | for 1 s 15 kiloampere rms | Switches Operating Mechanism | Mechanism Between the Poles 12 (Between the Poles) |
| Transition Type | Open | Ampere Rating | 400 A |
| Horsepower Rating UL/CSA | (acc. to UL 240 V) 125 Hp (acc. to UL 480 V) 250 Hp (acc. to UL 600 V) 350 Hp | 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 | 1SCA106497R1001 |
Specifications may be subject to change without notice
