China ARM6Z-400-3300 liquid crystal typ eremote control mccb 400VAC 400A 3 Poles LCD display mccb Supplier, Factories

Product Description

Overview and characteristics of circuit breakers
The ARM6Z-250 intelligent measuring switch is a new product aimed at the development needs of smart grids. This series of products features multiple independent innovative technologies and offers the following main characteristics:
  • Comprehensive protection Equipped with three sections of current, voltage and phase loss protection.
  • Real-time measurement Equipped with multiple measurement functions, real-time monitoring of busbar current, voltage, power, power factor, etc.
  • Electric energy metering Measurement of total active power and split phase power of three-phase circuit.
  • Four remote function It supports remote control, remote signaling, remote measurement and remote adjustment.
Technical specifications of ARM6Z intelligent molded case switch controller
Model ARM6Z-400
Rated current In (A) 200A, 250A, 315A, 350A, 400A
Rated current of frame size Inm (A) 400A
Usage category Category B
Rated ultimate short-circuit breaking capacity level L
Number of poles(P) 3P
Rated working voltage Ue(V) AC400V
Rated ultimate short-circuit breaking capacity Icu(kA) 65KA
Rated service short-circuit breaking capacity Ics (kA) 42KA
Rated short-time withstand current Icw(kA/1S) 5KA/1S
Rated insulation voltage Ui(V) 800V
Rated impulse withstand voltage Uimp(V) 8KV
Mechanical life(time) 7000
Electrical life (time) 1000
Arcing distance (mm) ≤50
ARM6Z Dimensions 3P 140
Package 3P 270
Weight 3P 121
Manual operation installation drawing and overall dimensions
ARM6Z-400-3300
ARM6Z Manual Operation Installation Drawing
MCCB Production Line Real Showing
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Frequently Asked Questions
What are the main functions of the ARM6Z-250 intelligent switch?
The ARM6Z-250 provides comprehensive protection (three-stage current protection, voltage, and phase loss), real-time parameter measurement (current, voltage, power, power factor), active energy metering, and "Four Remote" functions (remote control, remote signaling, remote measurement, remote adjustment) for smart grids.
What is the rated ultimate short-circuit breaking capacity (Icu) of ARM6Z-400?
The ARM6Z-400 has a rated ultimate short-circuit breaking capacity (Icu) of 65KA and a service short-circuit breaking capacity (Ics) of 42KA under AC400V conditions.
What is the mechanical and electrical service life of the switch?
The ARM6Z-400 offers an outstanding service life, with mechanical durability up to 7,000 operations and electrical durability up to 1,000 operations under rated parameters.
Does the controller support remote management and monitoring?
Yes. The intelligent molded case switch controller fully supports the "Four Remote" functions, enabling seamless remote control, parameter adjustment, signal tracking, and real-time power measurements.
What poles configuration is available for the ARM6Z series switch?
This series is configured as a 3-Pole (3P) system, designed specifically for standard industrial three-phase circuit applications.
What is the usage category for the ARM6Z switch controller?
The ARM6Z switch belongs to Usage Category B, indicating that it is designed with a short-time withstand current rating (5KA/1S) for selective short-circuit protection configuration.

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