Rockwell Automation 140G-KC0H3-D40

Selling Points

  • 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.
Product Details
140G-KC0H3-D40
Rockwell Automation

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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 type—Electronic 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 type—Electronic 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 type—Electronic 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