Product Model
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.
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 | 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