Leroy Somer - Voltage Regulator (AVR) R450 - Operating temperature: - 40°C to + 65°C - R450 AVR

Features

The R450 AVR is supplied in a casing designed to be mounted on a panel with dampers

Specifications

The connection is realised by “Faston” connectors and the voltage sensing is single - phase

Electrical characteristics:

maximum power supply: 150V - 50/60 Hz

Rated overload current: 10 A - 10 s

Electronic protection:

In the case of a short-circuit, the excitation current is reduced to a value less than 1A after 10 s

In the event of loss of voltage reference, the excitation current is reduced to a value less than 1A after 1s for AREP/SHUNT, 10 s for PMG

In the event of overexcitation, the current is reduced as indicated in the next diagram

Fuses: F1 on X1 and F2 on Z2 10A, 250V

Voltage sensing:

0-110 V terminals = 95 to 140 V

0-220 V terminals = 170 to 260 V

0-380 V terminals = 340 to 528 V

For other voltages, a transformer should be used

Voltage regulation: ± 0.5%

Current sensing: (parallel operation): input S1, S2 intended for 1 C.T. < 2.5 VA cl1, secondary 1 A or 5 A

Operating temperature: - 40°C to + 65°C

Storage temperature: -- 55°C to + 85°C

Shocks on the base: 9 g depending on the 3 axes

Vibrations: less than 10 Hz, 2 mm half-peak amplitude

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