Motor Protection
The range of NHP motor protection products provide both short-circuit and overload protection for individual motor loads. Available for a wide range of motor sizes and installation types and along with its flexible design, allows for easy integration with contactors, solid-state motor controllers or overload relays to further enhance motor lifetime operation.
Product Range
NHP Motor Protection Relays
The NHP Protek NEF series of 1000V AC electronic motor protection relays are ideal for mining-related applications. Available in two units, each one complete with its associated integral current converter unit. The first unit covers 0.825A up to 40A (below 8.25A via looping CT wires), and the second unit covering current range 33A up to 160A.
Sprecher and Schuh CEP7 Gen 3 Motor Overload
The Sprecher + Schuh CEP7 Gen 3 Motor Overloads are the next generation basic-tier electronic overload relays. Accurately measuring a motor’s current load and temperature, they can de-energise the motor minimising damage due to overheating. Featuring increased accuracy and repeatability, a self-powered design with lower heat dissipation, certifications and optional customisable accessory modules.
Sprecher and Schuh CT7N Motor Overload
The Sprecher + Schuh CT7N Motor Overload are motor protectors for IEC applications. Designed for use with CA7 Contactors and CA7 Reversing Contactors and feature adjustable trip settings, manual reset button, and a differential mechanism for sensitivity to phase-loss conditions.
Sprecher and Schuh KT5 Motor Protection Circuit Breaker
The Sprecher + Schuh KT5 Motor Protection Circuit Breaker provides magnetic short-circuit and thermal overload protection up to 32A, with an interrupting rating 400V of up to 100kA. Available in a range of accessories and tested in combination with Sprecher + Schuh CA7 and CA9 contactors creating two-component motor starters.