Power Modules

PTM-5 and Current Transformers

Brunel's Power Module PTM-5PTM-5 Load Monitor

Overload and Underload Protection

The PTM-5 monitors AC motor active power to provide overload or underload protection of industrial drive systems such as: water & waste water drives, pumps, fans or conveyor systems. The system’s normal operating power, which is proportional to torque, is set through our auto-calibration mode. Once set, overload or underload alarms are set as a percentage of normal operating power.

With OLED display

SPECS

PTM-5 POWER AND TORQUE – SPECIFICATIONS

Motor Voltage Ranges

PTM-5-1 120 or 230 VAC

PTM-5-2 480 or 600 VAC

Motor Current Ranges

Programmable; 1A, 2A, 4A and 8A

(or >8A, use an external 5A secondary current transformer)

Frequency

50-60 Hz

Display

OLED; multi-color (alarm conditions displayed in red)

Displayed Values

Running: % Full Load (kW) or Torque (N-m or lb.in.) plus input RPM & efficiency

Relays

Two Relays Programmable NO or NC. Contacts rated 10 A @ 30 VDC; 10 A @ 250 VAC

Trip Delays

Programmable; 0-25 seconds in 0.1 second increments

Trip Hold (latch)

Programmable; push button reset, terminals for external reset contacts

Start Delay

Programmable; 0-250 seconds

Analog Output Option

0-10 V or 4-20mA max. (jumper selectable)

Enclosure

1.772” x 3.071” x 4.252”; Noral/Lexan; Gray (RAL 7035)

Weight

PTM-5-1 6.5 oz. (184 grams) for 120 or 230 VAC

PTM-5-2 13 oz. (369 grams) for 480 or 600 VAC

Wire sizes

Upper Terminals: 2 x 2.52 mm (AWG 14) or 1 x 42 mm (AWG 12)

Lower Terminals: 1 x 2.52 mm (AWG 14)

(Crimp ferrules, pins or tabs should be used)

Mounting

35/36mm DIN rail. Optional front panel adapter or NEMA 4X enclosure

Environment

Operating Temperature: -20°C to +50°C

Spec Sheet

 

 

 

 

 

 

 

 

 

Current Transformer

ct

General Purpose Compact Units, UR/cUR Recognized

SPECS:

PTM-3 & 4 have been discontinued manuals are available in documentation.