Digital 1 phase current protection relay with backlight

Digital 3 phase Current protection relay with Backlight

Product: 900CPR-3-1-BL
  • Three phase RMS current protection from Over/Under current.
  • Accuracy : ± 1% of current
  • Measuring range of : 0.1A to 999A depending on CT selection
  • Voltage supply : 230V AC (±15%)
  • Certifications: CE & RoHS

Brief Specifications

Measuring Parameter Under Current, Over Current, Current Asymmetry Monitoring
Electrical Connection 1Ø-2W, 3Ø-3W, 3Ø-4W
Display 3 Digits Liquid Crystal Display with Backlight
CT Setting CT Primary: 1A / 5A – 999A,
CT Secondary: 1A / 5A (selectable)


Time Ranges
Power ON Delay: 0.5–99.9sec,
Trip time delay: 0–99.9sec,
Recovery Time Delay: 0–99.9sec (In Auto Reset Mode),
Response Time: <200ms
Accuracy Current: ±1% of Setting ± 2 digits,
Time Setting Accuracy: ±5% of Setting ±200ms
Output Contact 1 C / O (SPDT)
Output Rating NO: 5A@250V AC, NC: 3A@250V AC
Supply Voltage 230V AC (±15%)
Size 35 mm
Mounting Type DIN Rail Mount
Certification CE

Product Variants

Product Code Supply Voltage Certification
900CPR-3-1-BL-230V-CE 230V AC CE, RoHS
900CPR-3-1-110V-CE 110V AC CE, RoHS
whatsapp