Product Model
140G-K0F4-D40

Selling Points
- 11. Reliable Performance: The Allen-Bradley 140G-K0F4-D40 provides consistent performance in high-current applications, ensuring your electrical system operates smoothly and efficiently.;
- 22. Adjustable Protection: With adjustable thermal and magnetic protection, this circuit breaker can be tailored to meet specific operational needs, enhancing overall system reliability.;
- 33. High-Altitude Capability: Designed to operate at 90% of its voltage rating at 3000 meters (9840 feet) altitude, this breaker is suitable for a wide range of industrial environments.;
- 44. Durable Construction: Built with durable materials and designed for longevity, the 140G-K0F4-D40 ensures a long service life even under harsh conditions.;
- 55. Comprehensive Specifications: Featuring a 400A rating, 80% MCCB current range, and an interrupting rating of 65kA at 600V AC, this breaker meets stringent industry standards for safety and performance.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Dimension Unit | CM | Weight Unit | KG |
Stock Status | NON_STOCKED | Dimension Length | 29.718 |
Dimension Width | 25.527 | Lead Time | 15 |
Dimension Height | 24.638 | 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 | 185 mm | Device construction | Built-in device fixed built-in technique |
Height | 205 mm | Factory option | None |
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 /h | Weight | 6.051 |
Degree of protection (IP) | IP40 | DIN rail (top hat rail) mounting optional | False |
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 | T/M-adjustable thermal/adjustable magnetic TMA | 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: 85kA @ 500V AC, 50/60 Hz | Interrupting rating | 65kA @ 600V AC, 50/60 Hz per NEMA, UL, CSA |
Electrical life cycle | 7000 (400 A)/5000 (600 A) @ 415V AC | Thermal trip rating, max | 400 A @ ambient temperature 40 °C |
Insulation voltage (Ui) | Rated 1000V per IEC | Watt loss | Thermal magnetic type: 78 W |
Voltage for reverse-fed circuit breaker, max | 690V AC per IEC | Magnetic trip current (Im) | 2000 A |
Thermal trip current (Ir) | 280 A | Current range | 80% MCCB |
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 |
With integrated under voltage release | False | Number of poles | 4 |
Specifications may be subject to change without notice