residual current operated circuit breaker, description about Electric Automatic *Leakage Parts of Vacuum Over-voltage Protection MSM7C 250H %RCBO Residual Current Operated Circuit Breaker on China Suppliers Mobile

Product Details

Product Introduction

Quick details.

Place of Origin: Zhejiang, China (Mainland)
Brand Name: Mseed
Model Number:MSM7C 250H

Rated current(A):250,315,350,400,500,630

Short Circuit Breaking Capacity:35/22

Electrode:3,4 molded case circuit breaker
Rated voltage:AC400
Safety: 3C CE

Overview

M7C series residual current operated circuit breaker mainly used in three phase four wire circuit with AC 50Hz or 60Hz, rated voltage 440V, rated current to 800; except the protection of overload or short-circuit, it also has the protection of residual current , over voltage, under voltage, the phase-lacking, faulted neutral line(optional) and so on.The product with high level of performance is easy to use, and it can be used to display the current voltage, current, residual current, trip reason and phase intuitively.You can choose to have a RS485 communication interface, transfer of circuit breaker opening or closing state, the trip analysis, the voltage and current of each phase and the residual current circuit breaker’s data; also can remotely set the protection action value and action time,can enable or disable the various protection functions.

The meaning of the model number

Functions

1.High-performance single-chip control program, and advanced LED digital display. Accurate action and High precision. It can be displayed digit alphanumeric.

2. Limit short-circuit breaking capacity can be up to lcu 85KA.
It has High breaking capacity, small volume, nice appearance, short flash-over distance.

3. Our product has won state invention patent such as design and other utility model patents.

4. It has Anti-interference ability. It adopts advanced anti-lightning residual voltage circuit and high strength transient protective device, resists lighting induction effectively and eliminates all interference.

5. The overload, overcurrent, undervoltage, residual current, short circuit, grounding protection function and manual, automatic reclosing together, ensuring electricity environment, equipment and personal safety.

6.Network management and remote monitoring could be realized With RS485 communication interface and intelligent digital control technology; Also can transmit fault trip signal to the mobile phone of the electrical engineering on duty based on the needs of users.

7.With automatic and manual operation also can carry on the remote operation according to the user needs.

8.It can display the product trip reason and it is convenient for the accurate maintenance.

9.Itcan be used with smart meter, magnetic type ammeter, prepaid card device, and as the operating components of power outages, power supply. (optional)

10. With tripping function, in case of the accident caused by leakage. (optional)

Parameters

Molded Case Circuit Breaker Rating-Form1.

Technical Parameters	MSM7C-250 3P+N	MSM7C-630 3P+N
Frame Current(In A)	250	630
Rated Current (In A)	100、125、140、160、180、200、225、250	200、225、250、315、350、400、500、630
phase sequence	1 3 5 N
Rated insulation voltage(Ui V)	690
Rated Voltage (Ui V)	400
Electric Clearance	>5.5mm
Creepage Distance	>6.3mm
Rated impulse withstand voltage(Uimp KV)	8
Power Frequency Voltage-Withstand	2500V/1min No breakdown and flashing
Insulation Resistance	≥2MΩ
flash-over distance(mm)	≤50	≤100
Rated ultimate short-circuit breaking capacity(lcu kA AC400V)	70	70
rated residual operating current( l△n mA)	50、100、200、300、500、800
rated residual operating current( l△no mA)	0.71△n
Rated ultimate breaking capacity operation(lcu kA AC400V)	50	50
Rated breaking time(s)	as a protection for the whole circuit:≤2l△n hours≤0.3s, 5l△n hours、10l△n hours≤0.25s as a protection for partial circuit:≤2l△n hours≤0.2s, 5l△n hours、10l△n hours≤0.15s
Not driving time limit(s)	as a protection for the whole circuit:≤2l△n hours≤0.2s, 5l△n hours、10l△n hours≤0.15s as a protection for partial circuit:≤2l△n hours≤0.1s, 5l△n hours、10l△n hours≤0.06s
Reclosing delay time(s)	20~60s
class for shell protection	IP20
Voltage operation under voltage action value(V)	168±5%
Breaker operating cycle times (ten thousand times)	1	0.5

Inverse time operation characteristics

Current	Action time
1.05In	>2h No Action
1.3In	<1h Action
1.5In	The whole time(s)	15	30	60	120	240	480
2.0In	Action time(s)	8.4	16.9	33.7	67.5	135	270

Packing Details

Being packed according to the international standard is to guarantee safe delivery during the transportation.

Factory Details

Certifications

Why Choose Us

•Professional manufacturer with internationally standard production lines and a devoted technical team.
•Strict test procedure with advanced test equipment
•Responsive and responsible service team.
•Door to door service when needed.
•Helpful and enthusiastic in developing the buyers’ business.
•Treat your career as our career.

Welcome to contact us:

For sales or information inquiry, please contact us in the following ways:
Mob:+8613588948320
Tel: +86-577-55770369
Skype:angelwu7777(+8613588948320)
Trade messenger: Angel Wu
Website: www.ur-brand.net www.ur-brand.net www.ur-brand.net http://mseed.en.china.cn

http://www.mseed-power.com

Place of Origin	Zhejiang, China
Brand Name	Mseed
Model Number	MSM7C 250H
Output Power	Other
Output Type	Other
Input Voltage	220V
Output Voltage	other
Output Frequency	50/60Hz
Output Current	other

Electric Automatic *Leakage Parts of Vacuum Over-voltage Protection MSM7C 250H %RCBO Residual Current Operated Circuit Breaker

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Overview

Functions

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