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VTEKE

Protection Relays

Digital Overload Relay

ModelDOR

Product overview

The VTEKE DOR Series is a digital overload relay designed to monitor three-phase motor current and provide protection against overcurrent/overload and current asymmetry. The series is available in different current ranges to support various motor and load requirements.

Applications

  • Designed for current monitoring and overload protection in three-phase electrical systems. Suitable for:
  • Three-phase motor protection
  • Pumps and compressors
  • Fans and ventilation systems
  • Conveyors
  • Industrial machinery
  • Control and automation panels

Key features

  • Three-phase current monitoring
  • Overcurrent / overload protection
  • Current asymmetry monitoring
  • Adjustable trip delay time
  • Digital current display
  • LED status indication
  • Relay output for contactor control
  • DIN rail mounting

Specifications

Electrical Characteristics

Electrical Characteristics
Operating Voltage150–260 V AC
Operating Frequency50/60 Hz
Operating Power<6 VA
DOR-25 Current Range0.1–25 A AC
DOR-50 Current Range15–50 A AC
DOR-100 Current Range40–100 A AC
DOR-200 Current Range90–200 A AC
DOR-400 Current Range290–400 A AC
Asymmetry50% fixed
Waiting Time (t)0.1–20 s
Contact Configuration1NO + 1NC
Contact Rating5 A / 250 V AC

Display & Indication

Display & Indication
Display3 Displays
LED Indication5 LEDs

Mechanical & Environmental Characteristics

Mechanical & Environmental Characteristics
Operating Temperature-20°C to +55°C
Protection ClassIP20
Connection TypeTerminal Connection
Maximum Cable Size2.5 mm²
MountingDIN Rail Mounting
Weight<250 g
Working Altitude<2000 m

Full certificate register

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