| Weight | 6 lbs |
|---|---|
| Dimensions | 5 × 4 × 3 in |
Voltage Regulators For Sale | Power Systems Plus
McPherson Controls MTS MTS634AB MTS634A-B Generator Self Excited Automatic Voltage Regulator
$137.00
General Information:
Replacement for  Basler Models VR63-4 & VR63-4A RegulatorÂ
Mcpherson Controls Self Excited Automatic Voltage Regulator 64 VDC 4Amp
**Not a genuine Basler product**
Specs:
| Model NO. | MTS63-4A/B |
|---|---|
| Sensing & Power Input | 120V Position  100-120 Vac, Single Phase ( Voltage Adjust Range 90~132 Vac)240V Position  190-240 Vac , Single Phase (Voltage Adjust Range 170~265 Vac)DIP switch selectable; Frequency 50/60 Hz selectable |
| Output | Voltage Max. 32 VDC @ 120 VAC input , Max. 63 VDC @ 240 VAC input Current Continuous 4A, Intermittent 7A for 60 sec. Resistance 15 Ohm to  100 Ohm |
| Voltage Regulation | < ±1% (with 4% engine governing) |
| Voltage Build-up | Automatic voltage build-up with 5 VAC minimum residual |
| External Volts Adjustment | ±15% with 1 K Ohm 1 watt trimmer |
| Unit Power Dissipation | Max. 8 watt |
| EMI Suppression | Internal EMI filter |
| Thermal Drift | 0.05% per °C change in AVR ambient |
| Under Frequency Protection (Factory Setting) |
60 Hz system – knee point at 55 Hz 50 Hz system – knee point at 45 Hz |
| Over Excitation Shutdown | Power to fileds STOPS when exciter voltage greater than 100 Vdc |
| Environment | Operating Temperature : -40~60 °C Storage Temperature : -40~85 °C Relative Humidity : Maximum 90% Vibration : 1.5G @ 5~30 Hz / 5.0G @ 30~500 Hz |
| AVR Controls Functions | VOLTS : Voltage Adjustment STAB : Stability Adjustment |
| Dimensions | 100.0 (L) x 68.5 (W) x 33.0 (H) mm |
Features
- Voltage Regulation < ±1%
- For Use In 50/60 Hz Brushless Generators
- Optional 120/240 VAC Sensing Voltage Switch
- Under Frequency & Over Excitation Protection
- EMI Suppression
- Built-in High Breaking Capacity Fuse*
Brand
MTS Power Products For Sale
McPherson Controls and MTS Power Products are built for reliable performance in diesel and gas genset systems. Shop our selection of MTS Power Products, including voltage regulators, basic transfer switches, and governors, all designed to keep residential and commercial generators running smoothly. Order your McPherson Controllers today from Power Systems Plus in Oregon and upgrade your generator with trusted, high-quality parts!
Voltage Regulators







