Wholesale Solar type Molded Case Circuit Breaker (MCCB) OEM 800VAC/1000VAC/1140VAC 400A 3 Poles Manufacturer, Factory

Rated Current: 225A/250A/315A/350A/400A

Number Of Poles: 3P

Rated Working Voltage: AC800V

Product Description

ARM6HU Highlights

  • High Protection Accuracy & 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: 10,000 times | Electrical life: 2,000 times
  • Patented Technology & Design Innovation
    • Large opening distance
    • Large capacity metal anti-dissociation grid
    • Narrow slit pressurized air blowing solution

Main performance index of ARM6HU series circuit breaker

Model ARM6HU-400A
Rated current In (A) 225A / 250A / 315A / 350A / 400A
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): 100mm
(Left/Right): 100mm
(Front/Back): 0mm
Overall dimensions (mm) W 150
Overall dimensions W*L*H
L 257
H 106.9

Overall and installation dimensions of circuit breaker

ARM6HU-400-3300 (BMC)

ARM6HU-400-3300 Dimensions

MCCB Production Line Real Showing

FAQ - Frequently Asked Questions

What are the primary highlights of the ARM6HU series circuit breaker?

The ARM6HU highlights high protection accuracy, optimized M3 structure platform for mechanical reliability, large opening distance, metal anti-dissociation grid, and narrow slit pressurized air blowing technology.

What is the electrical and mechanical lifespan of the ARM6HU?

Depending on the specific platform design, the ARM6HU small ampere mechanism supports up to 10,000 mechanical operations and 2,000 electrical operations. The ARM6HU-400A model supports up to 4,000 mechanical operations and 1,000 electrical operations.

What rated current options are available for the ARM6HU-400A?

The rated current (In) options include 225A, 250A, 315A, 350A, and 400A to suit various industrial application needs.

What are the ultimate and service short-circuit breaking capacities at 1000V?

For 1000V rated working voltage (Ue), both the ultimate short-circuit breaking capacity (Icu) and service short-circuit breaking capacity (Ics) are rated at 15 kA.

What are the installation physical dimensions for the ARM6HU-400A 3P model?

The physical overall dimensions are 150mm in Width (W), 257mm in Length (L), and 106.9mm in Height (H).

What is the rated insulation voltage (Ui) and impulse withstand voltage (Uimp)?

The ARM6HU series features a rated insulation voltage (Ui) of 1140V and a robust rated impulse withstand voltage (Uimp) of 12kV.

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