Trailing cable protection relays help prevent ground faults and damage from hazardous voltages. The relays also continuously monitor the integrity of ground conductors. Different versions produced by Littelfuse are specifically engineered for use with either underground mining equipment or with fixed cranes or portable conveyors.
Alternating current supply voltage ratings from 120 V ac and 240 V ac
Operate at between 50 Hz and 60 Hz
Direct current supply voltage ratings from 24/48 V dc or 120/240 V dc
Adjustable trip current settings from 500 mA to 12.5 A
Adjustable trip time delay between 100 ms and 2.5 s
Meet CSA standards
UL Recognized and UL Listed
Available with normally open (Form A), normally closed (Form B), or combination normally open–normally closed (Form C) contacts
Fail safe ground check circuits
Conformal coatings protect internal circuits from corrosion
Trailing Cable Protection Parts
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Trailing Cable Protection Applications
Highlights Section
Marine cranes
Portable conveyors
Ship-to-shore power cables
Submersible pumps
Surface and underground mining equipment
Trailing Cable Protection Resources
Industrial Product Selection Guide
Our comprehensive Industrial Product Selection Guide features 225+ Relay Product Series. Color-coded and organized by product categories, this