
New from Sifam Tinsley the SPPR – Single Phase Preventer Relay. A cost-effect “Eco” version of our Omicron PHR delivers enhanced accuracy, wider voltage compatibility, and a more compact form, designed to deliver reliable protection in three-phase applications.
Features
- Designed for Three-Phase Applications – Optimized for 3-phase, 3-wire systems
- All-in-One Phase Protection – Safeguards against phase unbalance, phase failure, and incorrect phase sequence
- Auto-Reset Facility – Restores operation automatically, reducing downtime and eliminating manual intervention
- Self-Powered – Operates without the need for an external power supply
- LED Indications – Provides clear, instant fault diagnosis at a glance
Digital download files available for Sifam Tinsleys Omicron Single Phase Protection Relay (SPPR).


