Fact Sheet
VLT® Leakage Current Monitor Module
RCMB20 and RCMB35
The Leakage Current Monitoring Module is specifically adapted to VLT® frequency converters and comes as a pre-configured connection kit, eliminating the need for configuration of monitoring parameters.
Danfoss introduces a drive integrated Leakage Current Monitor Module that detects insulation faults and unwanted leakage currents. Specially adapted to the VLT® drive, the module monitors the entire drive system, including filter, frequency converter, motor and motor cable.
The module has been developed in cooperation with Bender, one of the world’s leading specialists within insulation monitoring. The module is CE certified and UL listed.
Increases plant safety
The module reliably detects system errors in IT and TN grids. Not only does this guarantee the avoidance of sudden shutdowns due to failures, it also facilitates early detection of faults in the system setup.
In order to ensure safe and reliable monitoring, the module functions independently of the drive system and only shares the power supply with the drive. To provide additional protection the module can also be confi gured to monitor entire drive groups.
Easy operation
One of the main benefi ts of the completely preconfi gured module is that it is fast and easy to install, due to the fact that it is not necessary to set additional parameters.
The module is especially suited for reliable operation in IT or TN grids, which are common in the chemical, raw commodities and marine industries, where it can help prevent sudden production breakdowns.
Features |
Benefits |
The reliable insulation monitoring
Reliable system protection
provides early detection of serious damage or danger and avoids production stops and accidents.
Protect
drive systems
with a comprehensive monitoring solution that protects drive units, filters, motor cables and motors from insulation faults and unwanted leakage currents.
Versatile
Adapted to VLT® drives
Compact
Pre-configured installation kit.
Can optionally be powered from the frequency converter (no external 24 V necessary).
CE certified and UL listed
The module monitors itself and functions independently of the drive. It monitors single or multiple drives and can be used to monitor single or multiple drives.
Monitors the entire drive system, including frequency converter, motor and motor cable.
Can also be used with older VLT drives.
Save space in the panel or cabinet by mounting the module directly onto the frequency converter.
Save time and simplify commissioning. Low installation cost
Can be used all over the world
www.vlt-drives.danfoss.com
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