Rockwell Automation 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.
Product Details
140G-K0F4-D40
Rockwell Automation

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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