HT INDUSTRIAL AUTOMATION LIMITED

Automatic voltage regulator Leroy Somer AVR R220

R220 Product Specification Download.pdf

We have Leroy Somer AVR R220 in our regulator stock!

Replacement Models: R220, R230, R250, R438, R448, R449, R450

Original Modules: D510C, R120, R129, R250, R438, R449, R450, R450M, R450T, R630, R726, R731 

The Brands / Part No. here are for reference purpose only, our parts can exactly replace the original ones.

LEROY SOMER R220 AVR is used in Leroy Somer LSA40 & LSA42.3 series alternators. The R220 AVR is a simple design, inexpensive and a perfect solution for small generators especially for standby or prime continuous applications.

Characteristics of Automatic Voltage Regulator Leroy Somer R220

- Storage : -55°C ; +85°C

- Operation : -40°C ; +65°C

- Voltage regulation: ± 0.5%.

- Voltage supply/sensing range 85 to 139 V (50/60 Hz)

- Rapid response time (500 ms) for a transient voltage variation amplitude of ± 20%

- Voltage setting P1 - Stability setting P2.

- Power supply protected by 8 A fuse, slowblow action (tolerates 10 A for 10 s) The fuse is impregnated in the resin, therefore it can not be replaced.

- Frequency: 50 Hz with ST3 jumper

- 60 Hz without ST3 jumper.

- The size of the screwdriver tip used to adjust the potentiometer is 2.5 mm