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| Model | ARXM3-630 | ||||||||||
| Rated current In (A) | 400A/500A/630A | ||||||||||
| Rated current of frame size Inm (A) | 630A | ||||||||||
| Usage category | Category A | ||||||||||
| Rated ultimate short-circuit breaking capacity level | L | M | H | ||||||||
| Number of poles (P) | 3P | 3P | 4P | 3P | 4P | ||||||
| Rated working voltage Ue (V) | 400V | ||||||||||
| Rated ultimate short-circuit breaking capacity Icu (kA) | 50kA | 70kA | 100kA | ||||||||
| Rated service short-circuit breaking capacity Ics (kA) | 50kA | 70kA | 75kA | ||||||||
| Rated working voltage Ue (V) | 690V | ||||||||||
| Rated ultimate short-circuit breaking capacity Icu (kA) | 20kA | 20kA | 20kA | ||||||||
| Rated service short-circuit breaking capacity Ics (kA) | 15kA | 15kA | 15kA | ||||||||
| Rated insulation voltage Ui (V) | 1000V | ||||||||||
| Rated impulse withstand voltage Uimp (V) | 12kV | ||||||||||
| Mechanical life (time) | 4000 | ||||||||||
| Electrical life (time) | 1000 | ||||||||||
| Arcing distance (mm) | ≯100 | ||||||||||
W*L*H (mm)
|
3P | 182*271*111.8 | |||||||||
| 4P | 240*271*111.8 | ||||||||||
| package 3p | 230*295*183 | ||||||||||
| package 4p | 290*295*183 | ||||||||||
| weight 3P | 7728g | ||||||||||
| weight 4P | 11200g | ||||||||||
Circuit breaker 630 frame size installation safety interval
■ Front panel wiring (3P, 4P)
X-X, Y-Y are the center of three-pole circuit breaker
■ Rear panel wiring (3P, 4P)
X-X, Y-Y are the center of three-pole circuit breaker
■ Plug-in rear panel wiring (3P, 4P)
X-X, Y-Y are the centers of three-pole circuit breaker
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The ARXM3 series features a humanized design that allows direct disassembly of the upper cover. This makes installing and replacing internal accessories exceptionally convenient and efficient during on-site installations.
The operating mechanism has a tested hardness rating of 366.1, which is significantly higher than other typical brands in the market that only offer a hardness of 252.6.
We utilize high-quality low-carbon cold-rolled steel treated with a QPQ salt bath composite process. This specialized treatment drastically enhances metal wear, corrosion, and fatigue resistance, boosting parts' lifespan by more than 10%.
At a working voltage of 400V, the ultimate short-circuit breaking capacity (Icu) is 50kA for Level L, 70kA for Level M, and 100kA for Level H.
The ARXM3-630 circuit breaker is engineered for long-term reliable performance, featuring a mechanical life of up to 4,000 operations and an electrical life of 1,000 operations.
The circuit breaker supports three primary wiring methods: front panel wiring, rear panel wiring, and plug-in rear panel wiring, accommodating both 3P and 4P configurations.
