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Moulded Case Circuit Breaker (HKKMB-1253P)

Moulded Case Circuit Breaker (HKKMB-1253P)
Moulded Case Circuit Breaker (HKKMB-1253P)

Product Description

HKKMB Moulded case circuit breaker is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V, Rated operating current up to 1600A.

It features normal structure, reliable performance, complete accessories & high breaking capacity, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC947-2.

Rated current of
release (A)
Thermodynamic release (ambient temp+40 ° C) Operational current
of magnetic
release (A)
1.05In (cold state)
inoperative time (h)
1.30In (heat state)
inoperative time (h)
In ≤ 63 ≥ 1 < 1 10In ± 20%
63< In ≤ 250 ≥ 2 < 2 10In ± 20%
25< In ≤ 800 ≥ 2 < 2 5In-10In ± 20%
 
Type Rated
current
(A)
Rated
insulating
voltage
Pole
number
Rated
operating
voltage
Ultimate short circuit
breaking capacity 1cu KA
Service short
circuit breaking
capacity 1cu KA
AC380V
(400)
AC660V
(690)
DC250V AC380V
(400)
AC660V
(690)
HKKMB-125E 12.5,16,20,25,
32,40,50,63,
80,100,125
600V two
three
four
380V
660V
15 - - 7.5 -
 
HKKMB-125S
25 - 20 16 -
 
HKKMB-160S
16,20,32,40,
50,63,80,100,
125,160
35 8 20 18 -
 
HKKMB-160H
50 10 40 25 -
 
HKKMB-250S
100,125,
160,180,
200,225,
250
35 10 40 18 -
 
HKKMB-250M
50 16 40 30 -
 
HKKMB-250H
65 18 40 48 -
 
HKKMB-400S
200,225,
250,315,
350,400
35 16 40 18 -
 
HKKMB-400M
50 20 40 30 -
 
HKKMB-400H
65 25 40 48 -
 
HKKMB-630S
400,500,
630
50 20 40 30 -
 
HKKMB-630M
65 25 40 48 -
 
HKKMB-630H
30 30 40 60 -
 
HKKMB-800S
500,630,
700,800
50 20 40 30 -
 
HKKMB-800M
65 25 40 48 -
 
HKKMB-800H
80 30 40 60 -
 
HKKMB-1250S
630,700,
800,1000,
1250
55 25 40 35 -
 
HKKMB-1250M
70 28 40 50 -
 
HKKMB-1250H
95 35 40 75 -
 
HKKMB-1600S
800,1000,
1250,1600
55 25 40 5 -
 
HKKMB-1600M
70 28 40 50 -
 
HKKMB-1600H
95 35 40 75 -
Model NO.: HKKMB-1253P
Company: Zhejiang Dahua Switch Factory

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