140G-KC0H3-D40
Product ID:227633
Updated: 2026/4/3

Key Features
- 11. High Interrupt Rating: The 140G-KC0H3-D40 boasts a 100 kA interrupt rating, ensuring reliable operation under high fault currents.;
- 22. Electronic LSI Protection: Equipped with electronic LSI (long and short time) protection, this circuit breaker provides fast and accurate overcurrent detection and response.;
- 33. Versatile Application: Designed for 3-phase power applications, it can handle currents up to 400 A, making it versatile for various industrial settings.;
- 44. Durable Construction: Built with a robust design, the 140G-KC0H3-D40 ensures long-lasting performance and reliability in harsh industrial environments.;
- 55. Easy Installation: Featuring a front-side connection for the main current circuit and screw connections, this circuit breaker is easy to install and integrate into existing systems.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Weight Unit | KG | Stock Status | NON_STOCKED |
| Dimension Length | 0.0 | Dimension Width | 0.0 |
| Lead Time | 15 | Dimension Height | 0.0 |
| Quick Turnaround | false | Preferred Availability | false |
| Repairable | NOT_REPAIRABLE | Ambient temperature without derating | 104 °F |
| Rated uninterrupted current (Iu) | 98% @ 3000 metre (9840 ft) altitude | Operational voltage (Ue) | 90% @ 3000 metre (9840 ft) altitude |
| Wire temperature rating | Al or Cu 75 °C | Storage temperature | -40 °F |
| Depth | 108.5 mm | Width | 140 mm |
| Device construction | Built-in device fixed built-in technique | Height | 205 mm |
| Factory option | None | Mechanical life operations | 240 /h |
| Weight | 0.999 | Degree of protection (IP) | IP40 |
| DIN rail (top hat rail) mounting optional | True | Suitable for DIN rail (top hat rail) mounting | False |
| Insulation voltage | Rated 1000V per IEC | Type of electrical connection of main circuit | Screw connection |
| Position of connection for main current circuit | Front side | Motor drive optional | True |
| With switched-off indicator | False | Motor drive integrated | False |
| Protection type | Electronic LSI-long and short time, high instantaneous | Rated ultimate short-circuit breaking capacity (Icu) per IEC 60947-2 rating | 85kA @ 500V AC, 50/60 Hz |
| Interrupting rating per UL 489/CSA C22.2, No. 5 | 65kA @ 600V, 50/60 Hz | Rated service short-circuit breaking capacity (Ics(% Icu)) per IEC 60947-2 rating | 100% @ 690V AC, 50/60 Hz |
| Protection typeâElectronic S (short time trip units) | I2 = 1...10 x In (240...4000), t2 = 0.05, 0.1, 0.25, 0.5 s | Interrupting rating (I2t) | 2.8x103 @ rated current up to 400 A, rated voltage 600V AC |
| Intermediate point (I2t) | 2.4x103 @ rated current up to 400 A, rated voltage 480V AC | Threshold current (I2t) | 1.5x103 @ rated current up to 400 A, rated voltage 600V AC |
| Threshold current (Ip) | 21 kA @ rated current up to 400 A, rated voltage 600V AC | Interrupting rating (Ip) | 43.9 @ rated current up to 400 A, rated voltage 480V AC |
| Intermediate point (Ip) | 35 kA @ rated current up to 400 A, rated voltage 480V AC | Interrupting rating (Irms) | 65 kA @ rated current up to 400 A, rated voltage 480V AC |
| Threshold current (Irms) | 10 ka @ rated current up to 400 A, rated voltage 600V AC | Intermediate point (Irms) | 30 kA @ rated current up to 400 A, rated voltage 480V AC |
| Protection typeâElectronic L (long time trip units) | I1 = 0.4...1 x In (160...400), t1 = 3, 6, 12, 18 s | Electrical life cycle | 7000 (400 A)/5000 (600 A) ops @ 415V AC |
| Protection typeâElectronic I (instantaneous trip units) | I3 = 1...10 x In (600...4800) | Frame size | 400 A |
| Rated impulse withstand voltage (Uimp) | 8 kV | Type of control element | Toggle |
| Rated permanent current Iu | 400 A | Complete device with protection unit | True |
| Integrated earth fault protection | False | Rated short-circuit breaking capacity lcu at 400 V, 50 Hz | 120 kA |
| With integrated under voltage release | False | Number of poles | 3 |
Specifications may be subject to change without notice
