• Leakage circuit breaker

Leakage circuit breaker

S(D)L series Leakage circuit breakers are suitable for AC 50Hz, rated voltage up to 400V, rated insulation voltage 690V, rated current 16-800A. In addition to the function of overload, short-circuit and under-voltage protection, the products have electric shock and leakage protection function and can prevent the fire caused by the aging insulation equipment. Please contact us! Email:liujing@mec.com.cn

Product Details

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Description

Skype: liujingmec
liujing@mec.com.cn
 
 Description
S(D)L series Leakage circuit breakers are suitable for AC 50Hz, rated voltage up to 400V, rated insulation voltage 690V, rated current 16-800A. In addition to the function of overload, short-circuit and under-voltage protection, the products have electric shock and leakage protection function and can prevent the fire caused by the aging insulation equipment. Mainly used as motor and circuit overload, short-circuit protection motor protection.
Standards
GB/T14048.1Low-voltage switchgear and controlgear—General rules
GB14048.2 Low-voltage switchgear and controlgear— Low-voltage circuit breaker
GB14048.4 Low-voltage switchgear and controlgear—Low-voltage mechanical breaker and motor starter
GB14048.5Low-voltage switchgear and controlgear—Control circuit devices and switching elements-Section1-                     Electromechnaicial control circuit devices
G6829        General requirements for residual current operated protective devices
GB16916.1Residual current operated circuit breakers without integral over-current protection for householdand similar uses Part one: General rules
GB16917.1Residual current operated circuit breakers with integral over-current protection for household andsimilar uses Part one: General rules
Technical specifications
Specification
S(D)L-100
S(D)L-200
S(D)L-400
S(D)L-630
S(D)L-800
 Rated current InmA
100
200
400
630
800
 Type of short-circuit breaking capacity
Y
J
Y
J
Y
J
Y
J
Y
J
 
 Reated current InA
162025
32
4050
63
80100
100125
160
180200
200250
315
350400
400500630
400500
630
700800
 Poles 
3-pole 4-pole
 Rated insulation voltage (V)/impulse withstand voltage (kV)
AC 690 / 4
 Rated  voltage  UeV
AC 400 50Hz
 Separation function
 Rated ultimate short circuit breaking capacity  IcuKA
40
50
40
70
50
70
50
70
50
70
 Rated operation short-circuit breaking capacity IcsKA
20
30
20
40
30
40
30
40
30
40
 Rated leakage operating current In mA
30100300
30100300500
100300500
3005001000
3005001000
 Rated leakage operating current In mA
100300
300500
300500
300500
5001000
 Rated leakage operating time t(S)
0.30.5
0.30.5
0.30.5
0.30.5
0.51
 Protection features
A
overload tripping and short-circuit instantaneous tripping
 instantaneous tripping setting In=16~32A is 500A
In=40-630A is 10In,greater than 700A is 8ln,AC-3 is 12ln.
AC-3
 Leakage tripping
 
 Installation
Vertical installation
 Arcing distance mm
50
50
70
70
70
Connection patern
 Front connection  
Q
 Rare connection
H
 Plug-in connection
R
Accessory
 Under voltage release
QT
 Shunt release
FT
 Auxillary contact
FC
 Alarm contact
BC
 Electro-control mechanism
CD
 Ratation handle control mechanism
CZ
 Front connection jointing basbar
 
 Maximum wire connection sectionmm2
35
95
240
200×2
250×2
 Lifetimes
10000
8000
5000
3000
3000

Company Profile

We specialize in the production of primary power equipment, including metal oxide surge arrester(MOA), polymer housed metal oxide arrester for transmissionlines, metal oxide varistor,on-line monitors for surge arrester and surge arrester monitor and so on.
After 30years technical innovation and industrial transformation, we have yearly production capacity for 4.5 million pieces ofΦ32-128metal oxide varistor (MOV), 0.5 million sets of 0.22-1000KV metal oxide surge arrester.
Our main products have passed ISO9001 quality management system certificate, ISO14001 environment management system certificate, OHS18001 occupational health and safty management system certificate and KEMA Netherland certificate.
Our arrester market share reaches above 32% in China market, especially 500KV surge arrester bid winning rate in the scale bidding of state grid corporation of China in the lastest three years, was the top one during the same industry in China.
 
 
 

MEC

 

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