Moulded Case Circuit Breaker
Sieno NSE-250N-250A-3P-Moulded case circuit breaker MCCB
- Sieno NSE-250N-250A-3P-Moulded case circuit breaker MCCB
- CM1 series moulded case circuit breaker is one of products developed and manufactured by adopting international advanced technology.
- It is supplied with rated insulating voltage 550 and 800V and used for circuit of AC 50/60Hz, rated operating voltage AC 400V (or below)
- rated operating current up to 1600A for infrequent changing over and starting of the motors.The products conforms to IEC60947-2 standard.
- Product description: Sieno NSE-250N-250A-3P-Moulded case circuit breaker MCCB
Sieno NSE-250N-250A-3P-Moulded case circuit breaker MCCB
NSE series of MCCB reflects the latest current limiting principle and manufacturing technology, characterized by compact structures, full modularization, high breaking, and zero flashover. Circuit breaker is equipped with overload, short-circuit and undervoltage protection device, so as to protect the circuit and power supply equipment from damage.
Specifications
Functions and charateristics
Item No.
NSE100/160/250
NSE400/630
Number of poles:
3P
4P
3P
4P
Control
Manual
with toggle
with direct or extended rotary handle
Connections
Fixed
front connections
Plug-in
front conections/rear connections
Electrical characteristics as per IEC60947-2 and EN60947-2
Rated current(A)
In
100A,160A,250A
400A,630A
Rated operating voltage(V)
Ue
AC50/60Hz, 690V
Rated insulation voltage(V)
Ui
750V
Rated impulse withstand voltage(kV)
Uimp
8kV
Utilization category
A
Operation performance
Mechanical
8500
6000
Electrical
1500
1000
Indication and control auxiliaries
Auxiliary switch
*
MX shunt coil
*
MN under voltage coil
*
Dimensions(mm)
W X H X D
105 X 161 X 86
140X161X86
140 X 255 X 110
185 X 255 X 110
Sieno NSE-250N-250A-3P-Moulded case circuit breaker MCCB
NSE series of MCCB reflects the latest current limiting principle and manufacturing technology, characterized by compact structures, full modularization, high breaking, and zero flashover. Circuit breaker is equipped with overload, short-circuit and undervoltage protection device, so as to protect the circuit and power supply equipment from damage.
Specifications
Functions and charateristics
| Item No. | NSE100/160/250 | NSE400/630 | |||
| Number of poles: | 3P | 4P | 3P | 4P | |
| Control | Manual |
with toggle with direct or extended rotary handle |
|||
| Connections | Fixed | front connections | |||
| Plug-in | front conections/rear connections | ||||
| Electrical characteristics as per IEC60947-2 and EN60947-2 | |||||
| Rated current(A) | In | 100A,160A,250A | 400A,630A | ||
| Rated operating voltage(V) | Ue | AC50/60Hz, 690V | |||
| Rated insulation voltage(V) | Ui | 750V | |||
| Rated impulse withstand voltage(kV) | Uimp | 8kV | |||
| Utilization category | A | ||||
| Operation performance | Mechanical | 8500 | 6000 | ||
| Electrical | 1500 | 1000 | |||
| Indication and control auxiliaries | |||||
| Auxiliary switch | * | ||||
| MX shunt coil | * | ||||
| MN under voltage coil | * | ||||
|
Dimensions(mm) W X H X D |
105 X 161 X 86 | 140X161X86 | 140 X 255 X 110 |
185 X 255 X 110 |
|
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Contact: Ms.Kelly Cao
Phone: 86-18657769510
Tel: 86-18657769510
Add: Liushi,Yueqing,Wenzhou,Zhejiang,China
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