140G-K6H3-D40-SD-AA
Product ID:228054
Updated: 2026/7/14
Key Features
- 11. High Current Capacity: The 140G-K6H3-D40 circuit breaker handles 400A, making it suitable for high-current applications in industrial settings.;
- 22. Reliability in Demanding Environments: Designed to withstand rigorous industrial conditions, this circuit breaker ensures long-term performance and minimal downtime.;
- 33. Advanced Protection Features: With 65 kA at 480V, this breaker provides robust protection against electrical surges and faults, ensuring the safety of your equipment and personnel.;
- 44. Ease of Installation: The 140G-K6H3-D40 is designed for easy installation, reducing setup time and minimizing the need for specialized tools.;
- 55. Backward Compatibility: Allen Bradley products are known for their backward compatibility, ensuring that this circuit breaker can integrate seamlessly with older systems, extending its useful life and maximizing its value.
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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 | 16 | Dimension Height | 0.0 |
| Quick Turnaround | false | Preferred Availability | false |
| Repairable | NOT_REPAIRABLE | Ambient temperature without derating | 104 |
| 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 |
| Depth | 108.5 | Width | 140 |
| Device construction | Built-in device fixed built-in technique | Height | 205 |
| Factory option | Shunt-trip, 110...127V AC @ 110...125V DC | Shock | Peak acceleration: 150 m/s2 peak, pulse duration 11 ms |
| Vibration | 2...13.2 Hz ±1 mm, 13.2...100 Hz ±0.7 G | Mechanical life operations | 20000 |
| Weight | 0.999 | Degree of protection (IP) | IP40 |
| DIN rail (top hat rail) mounting optional | No | Suitable for DIN rail (top hat rail) mounting | No |
| Type of electrical connection of main circuit | Screw connection | Position of connection for main current circuit | Front side |
| Motor drive optional | Yes | With switched-off indicator | No |
| Motor drive integrated | No | Protection type | Electronic LSI-long and short time, high instantaneous |
| Rated service short-circuit breaking capacity (Ics) | IEC 60947-2: 100% Icu @ 750V DC, 3-poles in series, thermal-magnetic trip units only | Rated ultimate short-circuit breaking capacity (Icu) | IEC 60947-2: 70kA @ 400...415V AC, 50/60 Hz |
| Interrupting rating | 65kA @ 480V AC, 50/60 Hz per NEMA, UL, CSA | Operating current (In), max | 400A @ 60°C (140 ?F) per IEC |
| Protection typeâElectronic S (short time trip units) | I2 = 1...10 x In (240...4000 A), t2 = 0.05, 0.1, 0.25, 0.5 s | Protection typeâElectronic L (long time trip units) | I1 = 0.4...1 x In (160...400 A), t1 = 3, 6, 9, 18 s |
| Electrical life cycle | 7000 (400 A)/5000 (600 A) @ 415V AC | Insulation voltage (Ui) | Rated 1000V per IEC |
| Protection typeâElectronic I (instantaneous trip units) | I3 = 1...10 x In (600...4800 A) | Voltage for reverse-fed circuit breaker, max | 690V AC per IEC |
| Current range | 80% MCCB | Frame size | 400 |
| Rated impulse withstand voltage (Uimp) | 8 | Type of control element | Toggle |
| Rated permanent current Iu | 400 | Complete device with protection unit | Yes |
| Integrated earth fault protection | No | With integrated under voltage release | No |
| Number of auxiliary contacts as change-over contact | 1 | Number of poles | 3 |
Specifications may be subject to change without notice
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