| Customization: | Available |
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| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Manual Type |
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The design concepts of MCCB mccb NRM1-800/4300 800A Shunt trip molded case circuit breaker pursue advanced technology in size, customized characteristic in range and powerful capability in specification.
1. Application
MCCB mccb NRM1-800/4300 800A molded case circuit breaker is one of products developed and manufactured by adopting international advanced technology. MCCB is supplied with rated insulating voltage 550V and 800V and used for circuit of AC 50/60Hz, rated operating voltage AC 660V(or below), rated operating current up to 630A for infrequent changing over and starting of the motors. The electrical molded case circuit breaker MCCB conforms to IEC60947-2 standard. mccb
2. Features:
A. COMPACT SIZE:
a. High breaking capacity in 60mm depth, up to 250AF.
b. Application of current-limiting technology.
c. Up to 42kA at AC380/415V
d. Width 90/105mm x Height 165mm x Depth 60mm.
B. WIDE & POWERFUL RANGE:
a. 125, 250, 400, 630, 800, 1000, 1250, 1600AF.
b. Adjustable thermal trip mechanism up to 800AF.
c. Double protected electronic trip mechanism for 1600AF.
C. VARIOUS ACCESSORIES:
a. Motor operator and operating handles for smooth operation.
b. Terminal cover and terminal busbar for safety.
c. DIN rail adapter and mounting base for easy installation.
d. Switched and trip devices for control by signals.
3. Technical Data:
A. Product name: MCCB (Molded Case Circuit Breaker)
B. Type: UCB 100R
C. Rated current: 100A-630A
D. Number of poles: 3P/4P
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| Type | Poles | Frame level rated current (A) | Rated Current In (A) | Rated Operation Voltage (V) | Rated Insulation Voltage (V) | Rated Ultimate Short Circuit Breaking Capacity (kA 400V) | Rated Operation Short Circuit Breaking Capacity (kA 400V) |
| LSM1-100 | 2P | 100 | 15,16,20,25,30,32,40,50,60,63,75,100 | AC690 | AC800 | 20 | 10 |
| LSM1-100 | 3P | 100 | 15,16,20,25,30,32,40,50,60,63,75,100 | AC690 | AC800 | 20 | 10 |
| LSM1-100 | 4P | 100 | 15,16,20,25,30,32,40,50,60,63,75,100 | AC690 | AC800 | 20 | 10 |
| LSM1-250 | 2P | 250 | 100,125,140,160,175,200,225,250 | AC690 | AC800 | 35 | 18 |
| LSM1-250 | 3P | 250 | 100,125,140,160,175,200,225,250 | AC690 | AC800 | 35 | 18 |
| LSM1-250 | 4P | 250 | 100,125,140,160,175,200,225,250 | AC690 | AC800 | 35 | 18 |
| LSM1-400 | 3P | 400 | 250,300,315,350,400 | AC690 | AC800 | 50 | 25 |
| LSM1-400 | 4P | 400 | 250,300,315,350,400 | AC690 | AC800 | 50 | 25 |
| LSM1-630 | 3P | 630 | 250,300,315,350,400,500,600,630 | AC690 | AC800 | 50 | 25 |
| LSM1-630 | 4P | 630 | 250,300,315,350,400,500,600,630 | AC690 | AC800 | 50 | 25 |
| LSM1-800 | 3P | 800 | 300,315,350,400,500,600,630,800 | AC690 | AC800 | 75 | 50 |
| LSM1-800 | 4P | 800 | 300,315,350,400,500,600,630,800 | AC690 | AC800 | 75 | 50 |
| LSM1-1250 | 3P | 1250 | 800,1000,1250 | AC690 | AC800 | 65 | 40 |
| LSM1-1250 | 4P | 1250 | 800,1000,1250 | AC690 | AC800 | 65 | 40 |
| LSM1-2000 | 3P | 2000 | 1250,1400,1600,1800,2000 | AC690 | AC800 | 65 | 40 |
| LSM1-2000 | 4P | 2000 | 1250,1400,1600,1800,2000 | AC690 | AC800 | 65 | 40 |
1. Working Conditions:
A. Ambient air temperature: -40oC~+125C, the highest monthly mean temperature should not exceed +35oC;
B. Altitude for installing place should not exceed 2000m;
C. Atmospheric relative humidity: + 40 not more than 50%, the highest humidity is 90%, air relative humidity of 85% or less;
D. Pollution level: level 2;
2. Quality Assurance of Our Circuit Breakers:
A. We use molded material with excellent flame-retardant, good insulation performance and high temperature resistance characters.
B. We adopt thick galvanized sheet copper, it avoids the defects of conductive thread easily slip teeth.
C. The new design structure is aesthetic and compact size, good appearance and effective.
D. High sensitivity, long lifetime, good reliability and stability.
E. 100% Inspection before shipment.
3. Why choose us:
A. We are reliable Alibaba Gold Supplier.
B. We are leading manufacturer in micro switches for more than 10 years' experience.
C. Rich experience in Global market, export to more than 50 countries.
D. 100% QC inspection before shipment.
E. Keep research and development the latest technology.
F. Reply within 24 hours.
G. After sale service: Professional technical support.
H. Customized design: We can produce according to your request.
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