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BENDER RCM475LY-7113 RESIDUAL CURRENT MONITOR MODULE.It is capable of detecting both AC and pulsating DC currents, making it versatile for various applications. Purpose: Designed to activate an alarm in the event of a fault while preventing disconnection. Suitable for monitoring single conductors like PE conductors, N-PE connections, and PE-PAS connections. Independence: Nearly independent of the load current and the nominal voltage of the system due to the use of measuring current transformers.
Current monitoring of single conductor with power loss under normal conditions; Socket circuit for unattended equipment; Alarm system, safety device; Air conditioning system, EDP system; Cooling equipment containing valuable frozen items; The canteen kitchen; Monitor the influence of stray current of ground power supply on N conductor.
Functional Details
Monitoring Method: Residual current monitoring occurs via an internal measuring current transformer. When the residual current or the current exceeds the set response value, the alarm LED lights up, and the alarm relay switches after the expiry of the set response delay.
Adjustments: Offers adjustable response values (10 mA…10 A at 50…60 Hz), response delay (0…10 s), and operates with an alarm relay featuring two potential-free changeover contacts. Operation can be either N/O or N/C, and the fault memory behavior is selectable.
Indicators: Includes an LED bar graph indicator showing the currently measured value in percent relative to the set response value.
Standards Compliance: Meets the requirements of DIN EN 62020 (VDE 0663) and IEC 62020 standards.
Insulation Coordination: Accurate according to IEC 60664-1.
Rated Insulation Voltage: AC 250 V.
Impulse Withstand Voltage/Pollution Degree: 4 kV/3.
Power Consumption: ≤ 3 VA.
Response Time: < 250 ms at (I_{\Delta n} = 1 \times I_{\Delta n}) ((t_v = 0) s); ≤ 20 ms at (I_{\Delta n} = 5 \times I_{\Delta n}) ((t_v = 0) s).
Environmental Conditions: Operates between -10…+55 °C and stores between -40…+70 °C. Complies with climatic class 3K5 according to DIN IEC 60721-3-3.
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