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WRB7Z6 Smart Circuit Breaker
WRB7Z6 micro-centralized circuit breaker adopts the core circuit board independently developed and produced by our company, and integrates eleven functional modules of main control, metering, clock, storage, communication encryption, coincident, temperature, carrier, Bluetooth, 485, and visual human-computer interaction; The comprehensive combination of electric energy meter and circuit breaker has been realized.
Functional structure features
◆GB/T 32902-2016 Residual current protection circuit breaker (CBAR) with automatic reclosing function
◆GB/T 10963.1 Electrical accessories - Overcurrent protection circuit breakers for household and similar places Part I
◆GB/T 17626.3-2016 Electromagnetic compatibility -- Test and measurement technology -- Radio frequency electromagnetic field radiation anti-interference test
◆GB/T 19334-2003 Dimensions of low-voltage switchgear and control equipment: Standard installation rails for electrical mechanical support in complete sets of switchgear and control equipment
◆GB/T 17626.5-2006 Electromagnetic compatibility test and measurement technology Surge (shock) immunity test
◆GB/T 17626.2-2006 Electromagnetic compatibility -- Test and measurement technology -- Electrostatic discharge immunity test
◆NB/T42149-2018 NB_T 42149-2018 Miniature Circuit Breaker with Remote Control Function (RC-MCB)
◆GB/T 17626.6-2017 Electromagnetic compatibility -- Test and measurement techniques -- Immunity to conducted disturbance (common mode) for RF field induction
◆GB/T 17626.4-2008 Electromagnetic compatibility -- Test and measurement technology -- Immunity test of electrical fast transient pulse group
◆GB/T 14048.2-2020 Low-voltage switchgear and control equipment – Part 2: Circuit breakers Circuit breakers used for AC
Performance parameters
Parameters and characteristics description
Number of poles 2P
Rated operating voltage Ue 230V
frequency 50Hz
Rated insulation voltage Ui 500V
Rated impulse withstand voltage Uimp 6kV
Rated operating current In 6A~63A
Rated short-circuit capability ICN 6kA
Instantaneous trip type Type C
Tripper type Thermomagnetic
Mechanical life 10000 times
Electrical life 4000 times
Overload protection Electronic (non-double gold)
correspondence It has Bluetooth communication interface, RS485 communication interface and HPLC communication interface, and can collect the status and information of the energy meter through the above communication interface
Communication protocols Comply with the requirements of DL/T 698.45 "Power Information Acquisition and Management System Part 4-5: Communication Protocols - Object-Oriented Data Exchange Protocols".
Overvoltage and undervoltage alarm and threshold protection Over-voltage protection range value: 255V~360V, under-voltage protection range value: 50V~180V, over-voltage recovery value: 250±5V, under-voltage recovery value: 165±5V, all alarm values, opening thresholds, and setting time can be set
Overload alarm and threshold protection Protection range value: 100%~130%
Over-temperature alarm and threshold protection Protection range value: -40°C~120°C, detection accuracy meets ±10°C
power consumption Not more than 2W
Metrological accuracy The active work is greater than or equal to grade B
Neutral current monitoring The measuring range is Imin~1.2Imax, and the quotation error is not more than ±2%
Leakage monitoring The measuring range is 10mA~1000mA, and the residual current deviation of the measurement is not more than 5mA
Ingress protection IP20
Pollution level Level 2
Operating ambient temperature -25℃~+60℃
Store ambient air temperature -40℃~+70℃
Relative humidity of the air ≤90%(55℃)
Installation: It is installed with TH35mm standard mounting rails
Light Red indicator: Pulse indication
Yellow indicator: Open indication
Two-color light: the green light is always on during normal operation, and the red light is always on when there is an alarm
Indicator light off: No power
keystroke Page turn button
The opening action test button
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