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IREM AUTOMATIC VOLTAGE STABILISERS
IREM AUTOMATIC VOLTAGE STABILISERS
IREM sterostab Y - Automatic voltage stabilizer - protection against mains power falls
Sterostab stabilizzatori di tensione IREM

3PH VOLTAGE STABILISERS

Y MODELS
INDEPENDENT REGULATION OF EACH PHASE

STEROSTAB Y THREE-PHASE 45-8000 KVA
GENERAL CHARACTERISTICS
Mains Three-phase
Nominal input voltage 380V or 400V or 415V (**)
Nominal output voltage 380V or 400V or 415V (**)
Output accuracy ±1% RMS
Frequency 50/60 Hz ±5%
Admitted load variation 0 to 100%
Admitted load unbalance up to 100%
Admitted overload 10 times the nominal power during 10 ms, 5 times during 6 s, 2 times for 1 minute
Harmonic distortion <0,1%
Efficiency >98.5%
Cooling natural air convection (fan-free system)
Colour RAL 7035
Protection degree IP21
Installation indoor
Standard fittings digital voltmeter, pilot lamps, tropicalised control boards

(**) to be specified on the order. Different voltage values available on request.

IREM sterostab Y voltage stabilizer - optional fittings
IREM sterostab Y voltage stabilizer - optional fittings
OPTIONAL FITTINGS

SHORT CIRCUIT PROTECTION
OVERLOAD PROTECTION
OVER/UNDER VOLTAGE PROTECTION
REVERSED PHASE SEQUENCE / PHASE FAILURE PROTECTION
SOFT START
MANUAL OR AUTOMATIC BY-PASS
DIGITAL NETWORK ANALYSER DISPLAYING THE ELECTRICAL PARAMETERS
ISOLATION TRANSFORMER
ADAPTING TRANSFORMER
NEUTRAL-POINT REACTOR
SURGE ARRESTERS
IP54 INDOOR OR OUTDOOR VERSION

IREM MODULAR SYSTEM

VOLTAGE STABILIZER Sterostab Y - IREM MODULAR ELECTRICAL SYSTEM

IREM 3PH voltage stabilisers (AVR) of higher power (from model Y326) are made in 3 sections in order to facilitate transport, handling, positioning and installation. This kind of structure has been designed as a solution to problems related to handling of extremely big loads not common in electrical systems. IREM voltage stabiliser modular system particularly helps during preparation of the site, avoiding the use of expensive lifting equipment and building of special openings to access the technical room. The voltage stabiliser is made in separate sections corresponding to the single phase units which will be connected to the plant. No further interconnection between the different AVR sections is required, therefore the installation is perfectly similar to the connection of a voltage stabiliser made in one single cubicle. Each single phase unit includes all the control and regulation devices that determine its autonomous and independent operation. In the unlikely event of a failure, this type of design limits the fault propagation, ensuring the best functionality and allows to act in a targeted and selective way on the component without having to operate on the other sections. In this case the solution allows to contain the periodic maintenance and repair costs.

HIGHLIGHTS

Sterostab Y VOLTAGE STABILIZER IREM

Sterostab Y VOLTAGE STABILIZER IREM

REDUCED SHIPPING COSTS
Smart solution to problems related to handling/shipping of bulky loads.

REDUCED MAINTENANCE COSTS
Easy intervention on one section ensuring the functionality of the other units.

EASIER HANDLING
Excellent solution avoiding the use of expensive lifting equipment and building of special openings to access the installation room.

VOLTAGE STABILISERS
STEROSTAB Y INDEPENDENT REGULATION OF EACH PHASE
THREE-PHASE 400V 50/60 HZ PROTECTION DEGREE IP21
STEROSTAB Y - IREM - THREE-PHASE VOLTAGE STABILIZER - INDEPENDENT REGULATION OF EACH PHASE

Fittings: V: digital voltmeter; L: pilot lamp
Note: models with different power, and/or different input range, and/or different output accuracy can be quoted on demand.

IREM AVRs are designed to deliver the declared power permanently (24/7) under the worst operating conditions, i.e. at full load, at minimum input voltage and max input current and at the declared ambient temperature.

IREM THREE-PHASE voltage stabilizers- Y Models

3PH VOLTAGE STABILISERS Y MODELS
INDEPENDENT REGULATION OF EACH PHASE

IREM grafico STABILIZZATORI DI TENSIONE TRIFASE SERIE Y

The three-phase voltage stabilisers Y MODELS that, having three separate electronic control circuits, individually regulate each phase and ensure a high precision both in case of an important load unbalance between phases and asymmetrical input voltages.

IP54 INDOOR
IP54 OUTDOOR

MINISTAB AND STEROSTAB

IREM Automatic Voltage Stabilizers - MINISTAB M SINGLE-PHASE

MINISTAB M

Single-phase 1-45 kVA

AUTOMATIC VOLTAGE STABILISERS - IREM STEROSTAB Y 3-120 KVA

MINISTAB Y

Three-phase 3-120 kVA
Independent regulation of each phase

IREM AUTOMATIC VOLTAGE STABILISERS - Ministab T

MINISTAB T

Three-phase 3.5-32 kVA
Common regulation of the three phases

AUTOMATIC VOLTAGE STABILIZERS - IREM STEROSTAB M 16-350 KVA

STEROSTAB M

Single-phase 15-350 kVA

Automatic voltage stabilizers - IREM STEROSTAB Y 46-4750 KVA

STEROSTAB Y

Three-phase 45-8000 kVA
Independent regulation of each phase

Automatic voltage stabilizers - IREM STEROSTAB T 22-800 KVA

STEROSTAB T

Three-phase 22-800 kVA
Common regulation of the three phases

IREM

IREM SpA a socio unico

Headquarters:

Via Abegg 75
10050 Borgone Susa (TO) – ITALY

Registered office:

Via Rocciamelone 58
10050 S.Antonino di Susa (TO) – ITALY

Tel. +39 011 9648211 – Fax +39 011 9648222
E-mail: irem@irem.it

Business Register:

Torino / VAT No. IT00389630013
Fully paid-up capital: Euro 1.080.000
P.iva / CF: IT00389630013

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