Ningbo Kelma Electrical Co., Ltd.

DM1 Moulded Case Circuit Breaker(MCCB)

DM1 Moulded Case Circuit Breaker(MCCB)
Product Detailed

1. 2p 3p 4p allowed
2. 16A up to 1600A
3. all parts made by ourself
4. well tested,best price, experienced factory

DM1 Moulded Case Circuit Breaker(MCCB) 

Table 2

Rated current
of release (A)

Thermodynamic release( ambient temp) land +40°C
marine +45°C

Operational
current of
magnetic
release (A)

1.05In(cold state)
Inoperative time(h)

1.30In(heat state)
Operative time(h)

10≤In≤63

≥1

<1

10In±20%

63 < In ≤100

≥2

<2

100 < In≤800

≥2

<2

5In±20%
10In±20%


Table 3
 

Rated Current
of Release
(A)

Thermodynamic release( ambient temp ) land +40°C
marine +45°

Operational
Current of
Magnetic
Release (A)

1.0In(cold state)
Inoperative time(h)

1.20In(heat state)
Operative time (h)

1.50In(heat state)
Operative time (h)

7.2In(cold state)
Operative time(h)

10≤In≤225

≤2

< 2

≤4min

4s < Tp≤10s

12In±20%

225 < In≤630

≤84min

6s < Tp≤20s

 



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