Good price for such a robust HMI. Technical documentation was clear.
🔍 Hover to zoomReliable 3-phase protection relay that safeguards motors and equipment against phase loss, reversal, and voltage unbalance, ensuring operational continuity and reduced downtime.
| Brand | DEESYS |
| Model | DFR-021D |
| Voltage | 380-440V AC 3-Phase |
| Country of Origin | China |
| Weight | 0.25 kg |
| Dimensions | 90 x 60 x 65 mm |
| Certifications | CE, RoHS, CCC |
| SKU / MPN | DFR-021D |
| What’s in the box | DFR-021D Relay, mounting clips, user manual |
| Phase Monitoring | 3-phase (L1, L2, L3) with phase loss, phase reversal, and phase unbalance protection |
| Trip Delay | Adjustable 0.1 to 10 seconds |
| Contact Configuration | 1 C/O (SPDT) relay output, 5A at 250V AC |
| LED Indicators | Power ON (green), Fault (red) |
| Mounting | 35mm DIN Rail (EN 50022) |
| Power Consumption | Less than 3 VA |
Key benefits: Wide voltage range, adjustable trip delay, clear LED status indication, compact DIN rail design, SPDT relay output, easy installation, low power consumption
Typical applications: Motor protection in pumps, compressors, conveyors, HVAC systems, industrial machinery, control panels, and 3-phase equipment in factories and commercial buildings
Lifecycle: Active product, new release with 5+ years availability
Good price for such a robust HMI. Technical documentation was clear.
Please contact us if you need product documentation or technical information.
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