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GYM9-125 DC 1P MCB For PV

Scope of application

    GYM9-125DC series DC miniature circuit breakers (hereinafter referred to as circuit breakers) are suitable for lines with a rated current of 125A and below DC and a rated DC voltage of 250V and 500V. It is used for overload and short-circuit protection of the facilities and electrics of the DC power distribution system, and can be widely used in electric power, post and telecommunications, AC, industrial and mining enterprises and other industries. This product complies with GB14048.2, IEC60947-2 standard requirements.

→ Download GYM9-125DC Catalog

SKU GYM9-125DC 1P Categories , ,

Description

Features

     GYM9-125DC DC circuit breaker is composed of shell, operating mechanism, thermal release, electromagnetic release contact system, arc extinguishing system, etc. It has overload and short circuit protection functions, unique design structure and powerful permanent magnet arc extinguishing The system enables the product to have a short-circuit capacity of 10kA, a mechanical life of more than 20,000 times, and a beautiful appearance. The installation guide rail is TH35-7.5 standard steel installation rail, and has the following characteristics: The handle is designed above the front face, and it has a strong sense of safety during operation. , feel comfortable, must pay attention to the “+, -” polarity when wiring, the power supply is in and out, which is in line with the characteristics of the power supply line, easy to install and save wires.

Dimension

Main specifications and techical paramters
Frame rating rated
current Inm (A)
Number of poles Rated voltage ln(A) Rated current
In(A)
Rated ultimate short-circuit capacity Instantaneous
tripping current
Breaking current Icu (A)Time constant T(ms)
63 1 DC250V 1,2,3,4,6,10
16,20,25,32
40,50,63
10000 10 8In-12In
23 DC500V
4 DC1000V
125 1 DC250V 80,
100,
125
10000 10 8In-12In
23 DC500V
4 DC1000V
Standard Time-Current
Test DC test
current
Starting
state
Trip or no-trip
time limit
Expercted
putcome
Remark
a 1.05In Cold state t≥1h(In≤63A) t≥2h(In>63A) Does not trip
b 1.3In Immediately after a test  t<2h(In>63A)
t<1h(In≤63A)
trip The current rises steadily
to the specified
value within 5S
C 8In Cold state  t≥0.2s Does not trip Close the auxiliary switch
power on
12In  t<0.2s trip

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