Brunel Corporation

Features:

  • Most cost-effective motor load protection.
  • Smallest unit available.
  • Measures the motor active power.
  • Internal Current Transformer. 1, 2, 4 and 8A motor current ranges.
  • Single or three-phase motors.
  • ‘Auto-Cal’ feature sets load reading to 100% with the motor running at normal load, together with default trip levels and hysteresis.
  • Simple set-up of trip levels: greater than 100% = overload, less than 100% = underload.
  • Easy ‘cloning’ of units.
  • Diagnostic displays for Volts, Amps and Power.
  • Intuitive display with simplified adjustment of parameters.
  • Remote reset of latched relays.
  • Analog output option: (4-20mA or 0-10V).
  • Infra-red remote programming (optional) Brunel Corporation

PTM-4 Load Monitor

 

PTM-4
Power Supply 85-264VAC 50-60Hz, 5VA max.
Motor Voltage 600VAC max.
Motor Current Ranges Programmable: 1A, 2A, 4A, 8A. (or >8A use an external 5A secondary current transformer).
Frequency 45-65Hz
Displayed Values Running: Load: (calibrated to read 100).
Stopped: Peak Load.
Status messages: Start, Stop.
Set-up: Trip Levels, Start & Trip delays, Hold ON/OFF
Diagnostics: Peak Load, Volts (RMS), Amps (RMS),
Watts or kW (auto-ranging),
Relays 2 contacts rated 10A @ 28VDC or 120VAC, 5A @ 240VAC. (Relay 1-NC, Relay 2-NO)
Trip Delays 0-25s in 0.1s increments.
Trip Hold (latch) ON/OFF select, pushbutton Reset, terminals for external Reset contacts
Start Delay 0-250s (0-9.9s in 0.1s increments)
Analog Output Option 0-10V or 4-20mA, max. load 450 Ohms (jumper selectable).
Enclosure 1.772in (45mm) width x 3.071in (78mm) height x 4.606in (117mm) depth - Noral/Lexan - Gray (RAL 7035).
Wire sizes Upper terminals: 2x2.52mm (AWG 14) or 1x42mm (AWG 12).
Lower terminals: 1x2.52mm (AWG 14).
Mounting 35/36mm DIN rail. Optional front panel adapter, or NEMA 4X enclosure.
Environment Operating temperature: -4°F to + 122°F (-20°C to +50°C)

Wiring Diagram and Specifications