Solar type Molded Case Circuit Breaker (MCCB) OEM 800VAC/1000VAC/1140VAC 400A 3 Poles
ARM6HU Highlights
1. ARM6HU small ampere is characterized by high protection accuracy and long service life.
The mechanism components and release are designed and optimized on the M3 structure platform, ensuring the reliability and tripping accuracy. Mechanical life: 10000 times, electrical life: 2000 times
2. ARM6HU patented technology & design innovation
a. Large opening distance
b. Large capacity metal anti-dissociation grid
c. Narrow slit pressurized air blowing solution
ARM6hu
Main performance index of ARM6HU series circuit breaker
Model | ARM6HU-400A | ||
Rated current In (A) | 225A/250A/315A/350A/400A
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Number of poles (P) | 3P | ||
Breaking capacity level | M | ||
Rated working voltage Ue (V) | 800V | ||
Ultimate short-circuit breaking capacity Icu (kA) | 40 | ||
Service short-circuit breaking capacity Ics (kA) | 36.5 | ||
Rated working voltage Ue (V) | 1000V | ||
Ultimate short-circuit breaking capacity Icu (kA) | 15 | ||
Service short-circuit breaking capacity Ics (kA) | 15 | ||
Rated insulation voltage Ui (V) | 1140V | ||
Impulse withstand voltage Uimp (V) | 12kV | ||
Mechanical life (time) | 4000 | ||
Electrical life (time) | 1000 | ||
Arcing distance (mm) |
(Up/Below)(mm):100mm
(Left/Right)(mm):100mm(Front/Back)(mm): 0mm |
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Overall
dimensions
(mm)
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W | 150 | |
L | 257 | ||
H | 106.9 |
Overall and installation dimensions of circuit breaker
ARM6HU-400-3300 (BMC)

010203040506