DMPR1-E-30kW | 75A Enclosed Dual Mode Controller | 415V

Description DMPR1-E-30kW 415V | Enclosed Dual Mode Thyristor Power Controller The DMPR1-E-30kW from United Automation is a fully enclosed dual-mode thyristor power controller engineered for two-phase inductive or resistive loads up to 30kW at 415V AC. Part of the DMPR1 Series, this advanced assembly offers user-selectable phase-angle, burst fire, or hybrid control, combined with wide frequency tracking (4–400Hz) for stable performance even on unstable supplies. With integrated high-speed semiconductor fusing, heatsinking, status indication, and accessible terminals, the DMPR1-E provides a complete, ready-to-install industrial power control solution. Key Features Dual Mode Control – Phase angle, burst firing, or hybrid combination Frequency Tracking (4–400Hz) – Reliable operation in unstable supply environments Integrated High-Speed Semiconductor Fuse – Enhanced protection Adjustable Ramp Control – 1 to 30 seconds soft start Built-in Current Limit – User resettable Comprehensive LED Status Indication Enclosed IP20 Design – Bespoke housing with accessible terminals Technical Specifications Power & Electrical Ratings Power Rating: 30kW (75A) @ 415V RMS (phase-to-phase) Input Voltage: 415V RMS ±10% Supply Frequency: 4–400Hz (active tracking) Optional 110V version available upon request Control Input Options 0–5V DC (up to 24V DC maximum input) 0–20mA / 4–20mA (SW1 selectable) Manual 5kΩ potentiometer Control Modes (Selectable) Phase-angle Burst fire Voltage / Current signal Current limit enable/disable Soft Start Adjustable 0–30 seconds Initiated at power-up or via enable input Current Limit Built-in, user resettable Adjustable via SW1 position & VR1 Protection & Monitoring LED Indicators Green Power LED – Confirms internal 5V DC supply Yellow Status LED – Brightness proportional in phase-angle mode Pulsed output in burst fire mode (1-second time base) Red Fault LED – Pulses at 90°C heatsink temperature Fully ON if internal fuse fails Over-Temperature Protection Fan activates at 55°C (if fitted) Power shutdown at 90°C ±1°C Alarm relay de-energises on trip Alarm Relay Rated 125V AC @ 2A Mechanical & Installation Ingress Protection: IP20 Dimensions: 205 × 155 × 120 mm 250 mm length with fan cowl Fixing Centres: 4 × 5mm holes Cable Terminations: Power & Earth: 16mm² rising clamp (30kW) Control & Relay: 1.5mm² rising clamp Terminal Torque: 4Nm (power terminals) Working Temperature: Up to 60°C Weight: 3.5kg (plus 0.52kg with fan cowl) Fusing (415V Model) 100ET high-speed semiconductor lug fuse Applications The DMPR1-E-30kW is ideal for demanding industrial and commercial power control applications, including: Furnaces Ovens Dryers Air Curtains Hot Plates Heating & Ventilation Systems Inductive loads such as transformers   The DMPR1 Series Dual Mode Power Controller is a versatile and powerful solution for managing various industrial and commercial loads. Its dual-mode capability, frequency tracking, and robust protection features make it an ideal choice for ensuring efficient and reliable operation across a wide range of applications.