Control of resistive and lamp type loads

Motortronics’ EZ Series are true zero voltage switching controllers. They are designed to fire at the minimum voltage differential across the SCR with a gate pulse applied prior to the zero-crossing point. These controllers are virtually RFI free.

The EZ Series zero fired (Variable time base) SCR Power Controllers combine low cost with microprocessor technology. They feature a rapid-cycle control technique that provides resolution that potentially extends the life of industrial resistance heaters. This variable time base control technique minimizes off time and is characterized by rapid on/off cycling with on-to-on cycle time ranging from 1 to 3 cycles for power ranges of 25% to 100%.

Thermal cycling of the heater elements is reduced to a minimum for all power levels to improve element life. Control of the on-to-on cycle times provides the resolution required to maintain a smooth, even output from resistance heaters.

The number of on cycles within a burst and the off time between bursts is continually monitored and updated by the microprocessor. A constant heater output is ensured since the unit’s output will continuously change to satisfy load requirements.

For EU compliance information please contact Motortronics UK

Where to Buy

Sales Managers


Peter Boyle


Giacomo Raggi


Gemma Gaunt

Europe, Middle East, Africa & India

Motortronics UK Ltd
Bristow House, Gillard Way, Lee Mill Industrial Estate, Ivybridge, PL21 9GG, UK

T : +44 (0) 1752 894554
E : [email protected]

Asia & Australasia

Motortronics International Korea
#601, 632, Seobusaet-gil, Geumcheon-gu, Seoul

T : +82 (0) 2 867 5808
E : [email protected]

Motortronics International Korea
41, Cheoyongsaneop 4-gil, Cheongnyang-eup, Ulju-gun, Ulsan

T : +82 (0) 52 237 5805
E : [email protected]

The Americas

Motortronics Inc
1600 Sunshine Drive, Clearwater
FL, 33765

T : +1 727 573 1819
E : [email protected]


M & P Machinery & Electronics Control
32 Jiaxin Road, Jimo,, Qingdao, 266229

T : +86 53281 725028
E : [email protected]

Beijing Locensate Energy Saving Technology Co. Ltd (LV - Sales)
411 Guangyi Building B 5#, Guangyi Road, Beijing, 100053

T : +86 10 83 131799
E : [email protected]