RCMS410-24 Differenzstrom-Überwachung

Compact and powerful 4-channel DC, AC and pulse current sensitive residual current monitoring device for earthed power supply systems. It measures residual currents between 2 mA and 70 A with DC voltage and AC voltage in a frequency range from 15 Hz to 20 kHz for flexible use in a wide variety of applications.

Main features:

- 4 channels in a compact housing

- Analysis of harmonics up to the 400th harmonic

- Adjustable frequency response

Features and functions:

- Permanent residual current monitoring

- 4 measuring channels for residual current measurement

- Choice of AC, pulse or universal current sensitive measurement

- Permanent connection monitoring of the measuring current transformer

- Separate evaluation of the AC and DC components as well as the effective value from AC and DC (RMS) of the residual current possible

- Optional overcurrent (standard), undercurrent or window function per channel

- Each measuring channel can alternatively be configured as a digital input

- Response ranges: 10 mA...10 A (type B/B+), 6 mA...30 A (type A/F)

- Frequency range: DC...20 kHz

- Preset function

- Reload function

- Adjustable time delays

- Adjustable frequency behavior

- Analysis of harmonics up to the 400th harmonic, calculation of the THD value

- One digital input, one digital input/output and one multifunctional digital/analog output

- Integrated combined test/reset button, connection for external buttons

- One device status LED, two alarm LEDs and one alarm LED per channel

- RS-485 interface with Modbus RTU (read out measured values/parameterization)
-Compatible with other Modbus RTU-capable device series from Bender, including the RCMB300 series, RCMB300 series , RCMB300 series , RCMB300 series , RCMB300 series , RCMB300 series , RCMB300 series and RCMB300 series. including RCMB300 series, RCMS150-01 and RCMB13...-01
-Compatible with Bender gateways of type COM465IP, CP9...-I
- Up to 247 RCMS410s can be used on the bus

- NFC interface for parameterization with the Bender Connect app

- Expansion/retrofitting or modification of functionalities in the event of changed monitoring requirements

- Complies with DIN EN IEC 62020-1

Compatible measuring current transformer series:

- Type A: CTAC, CTAS, W, WR, WS

- Type F: CTAC

- Type B/B+: CTUB-CTBC, CTBS

Application:

- Measuring and evaluating residual, fault and rated currents of loads and systems

- Monitoring residual currents of fixed electrical systems and equipment as an alternative to RIso testing in accordance with accident prevention regulation DGUV V3 and the German Ordinance on Industrial Safety and Health BetrSichV

- Detection of gradual deterioration of insulation supports preventive maintenance

- Monitoring of fire-hazardous currents in operating facilities at risk of fire

- EMC monitoring of TN-S systems for "stray" currents and additional N-PE bridges

- Monitoring PE and PA conductors for absence of current

- Monitoring of N conductors for overload due to harmonics

- Monitoring of digital inputs

Ordering information:

- Delivery factory settings Production variant

- Subsequent purchase of function modules A, B and C is possible

- Function module prices on request