Rockwell Automation 140G-R12K3-E30-MJ-RJ

Selling Points

  • 11. High Current Rating: The 140G-R12K3-E30-MJ-RJ supports a rated current of 3000A, making it suitable for demanding industrial applications.;
  • 22. Enhanced Protection: Equipped with an electronic trip unit LSIG-MM, this circuit breaker provides long and short time, high instantaneous, and ground fault protection for added safety.;
  • 33. High Short-Circuit Breaking Capacity: With a rated short-circuit breaking capacity of 80kA at 440V AC, it ensures reliable operation under high fault conditions.;
  • 44. Integrated Earth Fault Protection: The device includes integrated earth fault protection, which helps in detecting and isolating ground faults promptly, reducing the risk of electrical shock and equipment damage.;
  • 55. Durable Construction: Built with a robust R frame design, this circuit breaker is engineered to withstand harsh industrial environments, ensuring prolonged service life and minimal maintenance needs.
Product Details
140G-R12K3-E30-MJ-RJ
Rockwell Automation

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Dimension Unit
CM
Weight Unit
KG
Stock Status
NON_STOCKED
Dimension Length
70.0
Dimension Width
68.0
Lead Time
23
Dimension Height
56.0
Quick Turnaround
false
Preferred Availability
false
Repairable
NOT_REPAIRABLE
Ambient temperature without derating
104 °F
Rated uninterrupted current (Iu)
98% @ 2000...3000 m altitude
Operational voltage rating (Ue)
90% @ 2000...3000 m altitude
Wire temperature rating
Al or Cu 75 °C
Storage temperature
-40 °F
Depth
282 mm
Width
427 mm
Device construction
Built-in device fixed built-in technique
Frame size
2500...3000 A
Door interlock
With door interlock
Height
382 mm
Factory option
None
Mechanical life operations
60 /h
Weight
32.0
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 LSIG-long and short time, high instantaneous, ground fault, maintenance instantaneous
Rated service short-circuit breaking capacity (Ics)
100% of Icu @ 690V AC @ 50/60Hz per IEC 60947-2
Rated ultimate short-circuit breaking capacity (Icu)
80kA @ 440V AC, 50/60 Hz per IEC 60947-2
Interrupting rating
125kA @ 480V, 50/60 Hz per NEMA/UL 489/CSA C22.2
Electrical life cycle
60 ops/hr @ 415V AC
Shunt trip & shunt close
Shunt-trip & shunt close, 24V AC/DC
Spring charging motor
Spring charging motor, 24...30V AC/DC
Operating current (In)
3000A @ 40°C (104 °F) per UL rating
Insulation voltage (Ui)
Rated 1000V per IEC
Watt loss
351 W
Voltage for reverse-fed circuit breaker, max
690V per IEC
Current range
80% MCCB
Rated impulse withstand voltage (Uimp)
12 kV
Type of control element
Push button
Rated permanent current Iu
3000 A
Complete device with protection unit
True
Integrated earth fault protection
True
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
80 kA
With integrated under voltage release
False
Number of poles
3

Specifications may be subject to change without notice