Caterpillar VR6

The Caterpillar VR6 voltage regulator is a widely used AVR (automatic voltage regulator) produced by the world famous Caterpillar brand.

Used with both Self-Excited (SE) and Permanent Magnet Excited (PME) generators.

Features

• Power on Shunt Excited Input: 180-280 Vac, 50/60 Hz, 1 or 3 phase
• Power on PMG Excited input 63-105 Vac 100-240 Hz 3 phase
• Sensing input: 180-280 Vac, 50/60 Hz 1 or 3 phase
• CT input: 1 or 5 Aac 50/60 Hz
• ACC input: +/- 3 Vdc. Output 65 Vdc @ 12 Adc
• Unit Type: Potted – Rugged
• Weight: 1.5 kg
• Size: 9.4 in x 7.1 in x 3.5 in
• 4 mounting holes

Specifications…

Output Power (with 240 Vac Input)	12 Adc @ 65 Vdc maximum continuous 25 Adc @ 125 Vdc forcing for 10 seconds
AC Input Power	100 to 280 Vac, single-phase 50 to 400 Hz or 63 to 105 Vac; three phase, 50 to 400 Hz, 1092 VA maximum continuous burden
AC Sensing Voltage	180 to 280 Vac, 50/60 Hz; single or three phase
External Voltage Adjust Rheostat	10k ohm, 2W, potentiometer
Regulation accuracy	+/- 0.5% Average responding
Voltage Drift	+/- 1% voltage variation for a 40°C (104 °F) change
Response Time	< 4 milliseconds
Frequency Compensation	1 or 2 V/Hz jumper selectable with knee adjustable from 45 Hz to 65 Hz
EMI Suppression	Internal Filter
Voltage Build-Up	Internal provisions for automatic voltage build-up frmo generator residual voltages as low as 6 Vac
Over Excitation Shutdown	Over excitation protection starts timing at 90Vdc +/- 5% and takes the output to zero in greater than 30 seconds. The output can be 125 Vdc for greater than 10 seconds.
Droop	1 A or 5 A, < 10 VA, adjustable from 0 to 10% at rated input current, 0.8 power factor.

 

Request a Quote, Please fill form below: