Novatek-electro PEF-320 Operating Manual

«NOVATEK-ELECTRO» Ltd

Intelligent industrial electronics

UNIVERSAL AUTOMATIC
ELECTRONICPHASE SWITCH

PEF-320

OPERATING MANUAL



Quality control system on the development and production complies with requirements

ISO 9001:2015

Dear customer,

Company NOVATEK-ELECTRO LTD. thanks you for purchasing our products.

You will be able to use properly the product after carefully studying the Operating Manual.

Keep the Operating Manual throughout the service life of the product.

Odessa, Ukraine www.novatek-electro.com

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PEF-320

NOVATEK-ELECTRO

ATTENTION! ALL REQUIREMENTS OF THIS OPERATING MANUAL ARE COMPULSORY TO BE MET!

WARNING! – PRODUCT TERMINALS AND INTERNAL COMPONENTS ARE UNDER

POTENTIALLY LETHAL VOLTAGE
TO ENSURE THE PRODUCT SAFE OPERATION IT IS STRICTLY FORBIDDEN THE

FOLLOWING:
 TO CARRY OUT MOUNTING WORKS AND MAINTENANCE WITHOUT DISCONNECTING THE

PRODUCT FROM THE MAINS;

 TO OPEN AND REPAIR THE PRODUCT INDEPENDENTLY;
 TO OPERATE THE PRODUCT WITH MECHANICAL DAMAGES OF THE CASE.

IT IS NOT ALLOWED WATER PENETRATION ON TERMINALS AND INTERNAL ELEMENTS OF THE

PRODUCT.

During operation and maintenance the regulatory document requirements must be met, namely:

– Regulations for Operation of Consumer Electrical Installations;
– Safety Rules for Operation of Consumer Electrical Installations;
– Occupational Safety when in Operation of Electrical Installations.

Installation, adjustment and maintenance of the product must be performed by qualified personnel having

studied this Operating Manual.

In compliance with the requirements of this Operating Manual and regulations the product is safe for

use.

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NOVATEK-ELECTRO

PEF-320

This operation manual is intended for description, principle of work, construction, mode of work and
maintenance of the Universal automatic electronicphase switch PEF-320 (further in text as PEF-320 or
the device).

PEF-320 meets the requirements of:

 EN 60947-1;
 EN 60947-6-2;

 EN 55011;
 IEC 61000-4-2.

Harmful substances in concentration more than allowed are absent.

Terms and abbreviations:
AR is automatic reclosing;
OUTPUT is terminals for load connection, also LED indicators showing the phase connected to load (L1,

L2, L3)

The term "Normal voltage" means that the voltage value does not exceed the threshold limit values set by the

User.

1. DESCRIPTION AND OPERATION

1.1. Application

The PEF-320 universal automatic electronic phase switch is designed to supply an industrial and domestic
single phase 230 V, 50 Hz load from three-phase four-wire mains 3х400+N in order to maintain uninterrupted
power supply of essential single-phase loads and protect them against unallowable voltage variations in the
mains.

According to the voltage presence and voltage quality on the phases, the PEF-320 will automatically select

the optimum phase in limits range set by user and switch the single phase load supply to this phase.

It is possible to connect to one of the phases of the electric generator, inverter.

The maximum and minimum voltage limits are set by user.

1.2. Controls, overall and mounting dimensions of PEF-320

Controls, overall and mounting dimensions of PEF-320 are shown in Fig. 1.

1 – terminals for power
supply;
2 – knob for threshold trip
setting for maximum voltage
(Umax);
3 – knob for threshold trip
setting for minimum voltage
(Umin);

4 – knob for automatic
reclosing time setting (Тon);

5 – load terminals;
6 – knob for time setting of

return to the priority phase
(Тr);
7 – alarm LED indicator
(ALARM);
8 – LED indicators of phases
(L1, L2, L3).

Fig. 1 – Controls, overall and mounting dimensions of PEF-320

1.3. Operation conditions

The device is intended for operation in the following conditions:

– Ambient temperature: from minus 35 to +55 °С;

– Atmospheric pressure: from 84 to 106.7 kPa;

– Relative humidity (at temperature of +25 °С): 30 … 80 %.