Littelfuse has moved beyond fuses into protection relays and other components to offer a unique safety package to its customers.
With Littelfuse, safety managers and plant engineers can protect their employees, equipment and productivity from electrical hazards.
■ Detects a developing arc flash in less than 1ms
■ Sends a trip signal to interrupt power before
■ damage occurs
■ Lowers Hazard Risk Category (HRC) of
■ the equipment
■ Provides shock protection at 208 V, 240 V,
■ 480 V and 600 V
■ Safest product on the market, meets stringent
■ UL 943C requirements
■ Monitors ground-wire continuity and other
■ potentially dangerous conditions
■ Fast delivery available
■ R-Rated, E-Rated and potential transformer fuses
■ Indicating fuses takes the guesswork out of■
■ replacement and increases up-time
■ Tools to aid fuse cross-reference and selection
■ for improved safety
■ Provides supplemental overcurrent protection
■ Available in time-delay, fast-acting, board mount
■ or solar versions
■ Wide range of products for varied applications
■ Indicates ground faults and the presence of
■ voltage on both grounded and ungrounded systems
■ Meets NEC® Article 250.21 and CEC® Part 1,
■ Section 10-106 (2) requirements for ungrounded
■ systems
■ Extremely current-limiting design for
■ safer applications
■ Smallest fuse with 300 kA interrupting rating
■ Current up to 60A
■ Arc-barrier technology specially designed to improve ■ semiconductor lifecycle
■ Extremely current limiting to reduce peak let-through ■ current
■ Low watt loss values save energy wasted during ■ operation
■ PC-102-DL: Dual Seal-leak detector
■ PC-102-LT: Dual Seal-leak and over-temperature
■ detector
■ Compact design with finger-safe terminals
■ Two Form C isolated contacts with LED
■ status indicators
■ Liquid level control with 2-probe inputs and
■ SPDT output allows use in both conductive
■ and non-conductive tanks
■ Adjustable debounce time delay prevents
■ nuisance tripping due to waves or splashing in tank
■ Invertible relay logic allows use in pump-up
■ and pump-down applications
■ Adjustable debounce time delay prevents
■ nuisance tripping due to waves or splashing in tank
■ Invertible relay logic allows use in pump-up
■ and pump-down applications
■ DIN rail or surface mount
■ Eliminates arc flash hazard associated with
■ ground faults (<5 A)
■ Continuously monitors neutral-to-ground
■ path for continuity
■ Micro-controller based relay monitors the shaft
■ seal of submersible pump motor
■ Adjustable sensitivity setpoint for the
■ probe resistor
■ DIN rail or surface mount
■ No need for separate power control wiring;
■ draws power from wire being monitored
■ Quick-connect fast on terminals or depluggable
■ screw terminals
■ Monitors up to 200A loads
■ No need for separate power control wiring;
■ draws power from wire being monitored
■ Verifies current is flowing as intended
■ Monitors up to 135A loads
■ Micro-controller based relay monitors the
■ shaft seal of submersible pump motor
■ Adjustable sensitivity setpoint for the
■ probe resistor
■ Compact plug-in design; DIN rail or
■ 8-pin socket mount
Littelfuse, Inc. 6133 North River Road Suite 500, Rosemont, IL, 60018 USA, 773-628-1000 Copyright © 2025 Littelfuse, Inc.