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GYM9-125 DC 2P 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.
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SKU GYM9-125 DC 2P 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 polesRated voltage ln(A)Rated current
In(A)
Rated ultimate short-circuit capacityInstantaneous
tripping current
Breaking current Icu (A)Time constant T(ms)
631DC250V1,2,3,4,6,10
16,20,25,32
40,50,63
10000108In-12In
2,3DC500V
4DC1000V
1251DC250V80,
100,
125
10000108In-12In
2,3DC500V
4DC1000V
Standard Time-Current
TestDC test
current
Starting
state
Trip or no-trip
time limit
Expercted
putcome
Remark
a1.05InCold statet≥1h(In≤63A) t≥2h(In>63A)Does not trip
b1.3InImmediately after a test t<2h(In>63A)
t<1h(In≤63A)
tripThe current rises steadily
to the specified
value within 5S
C8InCold state t≥0.2sDoes not tripClose the auxiliary switch
power on
12In t<0.2strip

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