Eaton DE1 Basic Variable Speed Starter

The Eaton DE1 Basic Variable Speed Starter is a compact, DIN-rail mounted variable speed drive covering the power range from 0.37 kW to 7.5 kW at single-phase and three-phase 200–240 V / 380–480 V supply. The DE1-121D4TN-N20N is rated at 1.5 kW (single-phase 200-240 V input, three-phase motor output) and represents the simplest entry point for variable speed control in building services, commercial HVAC, and light industrial motor applications across Saudi Arabia, where energy efficiency requirements under Vision 2030 and Saudi Energy Efficiency Center (SEEC) mandates are driving widespread replacement of fixed-speed motor starters with variable speed alternatives in fans, pumps, and conveyors below 7.5 kW.

The DE1's defining feature is its set-up simplicity: the drive is configured via a three-position potentiometer for minimum speed, maximum speed, and acceleration time — the only parameters most building services applications require. There are no complex parameter menus, no PC software required, and no specialist commissioning engineer needed. A panel builder or facilities electrician can commission the DE1 in under five minutes, making it the most practical choice for high-volume roll-outs across large building portfolios such as Ministry of Health hospital HVAC upgrades, Ministry of Education school ventilation retrofits, and MODON industrial city small pump standardisation programmes. The snap-on SmartWire-DT communication option (sold separately) adds network control and status feedback without rewiring, enabling remote monitoring of drive status across large building estate management systems.

Physically, the DE1 occupies a width of just 45 mm on a DIN rail for the 1.5 kW model, allowing side-by-side installation in standard distribution boards where space is at an absolute premium. Its operating temperature range of -10°C to +40°C (40°C without derating) is appropriate for panel installations inside air-conditioned plant rooms typical of Saudi commercial and residential buildings. The built-in EMC filter for the single-phase input variant meets EN 55011 Class B limits, ensuring compatibility with commercial building electrical systems. Protective features include motor thermistor input, under-voltage, over-voltage, overload, and short-circuit protection — a complete protection package that eliminates the need for separate overload relays in most light-duty applications.

Razz Middle East stocks DE1 units in all common ratings and supply voltages. We supply panel builders, MEP contractors, and building automation integrators across Saudi Arabia. The DE1's combination of low unit cost, minimal commissioning time, and DIN-rail simplicity makes it the most cost-effective variable speed solution for the sub-7.5 kW motor population that represents the majority of commercial building motor installations in the Kingdom. SAR pricing available with same-day quotation.