140G-M5H3-D80-CJ
Product ID:231384
Updated: 2026/4/3

Key Features
- 11. High Current Rating: The 140G-M5H3-D80-CJ supports an impressive 800A current rating, making it suitable for high-power applications in industrial settings.;
- 22. Enhanced Interrupting Capacity: With an interrupting capacity of 50kA at 480V AC, this circuit breaker provides robust protection against short circuits, ensuring the safety of equipment and personnel.;
- 33. Electronic LSI Protection: Equipped with electronic LSI (Long and Short Time) protection, this breaker offers high instantaneous and long-time protection against electrical faults, ensuring reliable operation.;
- 44. Durable Construction: Built with a durable design, the 140G-M5H3-D80-CJ is engineered to withstand harsh industrial environments, including high temperatures and altitudes.;
- 55. IP40 Protection: Featuring an IP40 rating, this circuit breaker provides protection against solid particles and dust, ensuring it operates effectively in various industrial settings.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Dimension Unit | CM | Weight Unit | KG |
| Stock Status | NON_STOCKED | Dimension Length | 29.2 |
| Dimension Width | 37.4 | Lead Time | 23 |
| Dimension Height | 31.0 | Quick Turnaround | false |
| Preferred Availability | false | Repairable | NOT_REPAIRABLE |
| Ambient temperature without derating | 104 °F | Rated uninterrupted current (Iu) | 98% of current rating @ 3000 m (9840 ft) altitude |
| Operational voltage (Ue) | 90% of voltage rating @ 3000 m (9840 ft) altitude | Wire temperature rating | Al or Cu 75 °C |
| Storage temperature | -40 °F | Depth | 103.5 mm |
| Width | 210 mm | Device construction | Built-in device fixed built-in technique |
| Height | 268 mm | Factory option | 3 NO/NC auxiliary + 1 alarm, 24V AC/DC |
| Vibration | 2...13.2 Hz ±1 mm, 13.2...100 Hz ±0.7 G | Mechanical life operations | 20000 /h |
| Weight | 10.636 | Degree of protection (IP) | IP40 |
| DIN rail (top hat rail) mounting optional | True | Suitable for DIN rail (top hat rail) mounting | False |
| 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 service short-circuit breaking capacity (Ics) | IEC 60947-2: 75% Icu @ 750V DC, 3-poles in series, thermal-magnetic trip units only | Rated ultimate short-circuit breaking capacity (Icu) | IEC 60947-2: 85kA @ 220...230V AC, 50/60 Hz |
| Interrupting rating | 50kA @ 480V AC, 50/60 Hz per NEMA, UL, CSA | Operating current (In), max | 800A @ 50°C (122 ?F) per IEC |
| Protection typeâElectronic S (short time trip units) | I2 = 0.6...10 x In (480...8000 A), t2 = 0.05, 0.1, 0.25, 0.5 s | Protection typeâElectronic L (long time trip units) | I1 = 0.4...1 x In (320...800 A), t1 = 3, 6, 9, 18 s |
| Electrical life cycle | 7000 (600...630 A)/5000 (800 A) @ 415V AC | Insulation voltage (Ui) | Rated 1000V per IEC |
| Protection typeâElectronic I (instantaneous trip units) | I3 = 1200...8400 A | Voltage for reverse-fed circuit breaker, max | 690V AC per IEC |
| Current range | 80% MCCB | Frame size | 800 A |
| Rated impulse withstand voltage (Uimp) | 8 kV | Type of control element | Toggle |
| Rated permanent current Iu | 800 A | Complete device with protection unit | True |
| Integrated earth fault protection | False | With integrated under voltage release | False |
| Number of auxiliary contacts as change-over contact | 3 | Number of poles | 3 |
Specifications may be subject to change without notice
