EMIREL E363 | PTC Thermistor Protection Relay for Motor Safety

  • PTC thermistor protection relay for motor thermal monitoring
  • Accepts 1 to 6 PTC sensors; trip level at 3.3 kΩ typical
  • Automatic or manual reset selectable by jumper
  • Supply: 230 VAC ±10 %, 50/60 Hz; consumption 2 VA
  • Output: 1 relay, 1 changeover contact rated 5 A @ 230 VAC
  • DIN rail 17.5 mm module; operating -20 to 70 °C
More product info

Original price was: Rs 41,000.Current price is: Rs 20,500.

Emirel E363 is a PTC thermistor protection relay designed to safeguard motors and transformers from overheating. It continuously monitors the resistance of up to six series-connected PTC sensors, tripping when the resistance exceeds approximately 3.3 kΩ. The relay includes both manual and automatic reset modes, selectable via a jumper, providing versatile protection for industrial applications.

Features

  • Monitors up to 6 series-connected PTC thermistors for temperature rise
  • Trip threshold: ≈3.3 kΩ; reset below ≈1.8 kΩ
  • Selectable reset mode: manual or automatic (jumper configurable)
  • LED indication for power (green) and fault/trip (red)
  • SPDT relay output rated 5 A @ 230 VAC; high insulation strength
  • Compact 17.5 mm DIN rail housing with screw terminals

Technical specifications

Model E363
Function PTC thermistor protection relay
Number of sensors 1 to 6 PTC thermistors (series connection)
Trip resistance ≈3.3 kΩ typical
Reset resistance ≈1.8 kΩ typical
Reset mode Manual or automatic (jumper-selectable)
Supply voltage 230 VAC ±10 %, 50/60 Hz
Power consumption 2 VA
Output 1 relay, SPDT 5 A @ 230 VAC resistive
Indicators Green LED (Power), Red LED (Trip)
Housing 17.5 mm DIN rail module
Operating temperature -20 to 70 °C
Standards CEI-EN 61010-1; CEI-EN 61326-1

Brand

EMIREL

EMIREL Srl, based in Spain, specializes in industrial electronics, and one of their notable product categories is voltage relays. These relays play a crucial role in protecting electrical systems by monitoring voltage levels and triggering appropriate actions when thresholds are exceeded. Whether it’s safeguarding motors, controlling power distribution, or preventing voltage fluctuations, Emirel’s voltage relays provide reliable and precise performance.

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