Aschenbrenner Elektronik GmbH

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High Isolation Transformer (AC / AC Converter)
Series STT 1 kVA to 3 kVA 230 V AC-Output

type number 00946

Description:

This AC-AC converter based on a new concept with a high frequency transformer which allows to provide a high isolation (reinforced) between input and output.

The new technology allows a weight reduction of up to 70 % (compared with existing 50 Hz / 60 Hz transformers).

The internal high frequency transformer generates a 230 V AC pure sine wave output at 1 kVA up to 3 kVA (depending on model).

Signals / Alarms:

Optical indicator:

Green LED: Power ok
Red LED: Failure
4 White LED: Load-Level

Mechanical Specifications:

Material:	Aluminium
Dimensions:	360 x 350 x 124 mm (W x D x H) (overall, without connectors)
Weight:	< 8 kg
Finish / Colour:	Powder coating, green RAL 6031 Hr or TBD

Connectors:

Line input:	ECTA 133, 3 Pin Connector
Output:	2 wire cable
Grounding terminal:	M8 on front or rear

Technical specifications
refer to data sheet: 00946

Technical Data:

Nominal voltage:	230 V AC ±10 %
Line frequency:	50 Hz
Consumption:	< 16 A
Inrush current:	< 30 A
Harmonics (current):	Power factor corrected to EN 61000-3-2
Power factor:	typ. 0.96 %

Output:

Output voltage:	230 V AC
Output tolerance:	-10 % / +15 % (0 –100 % load)
Output current:	4 to 10 A (Tamb ≤ 40 °C)
Output power:	1 kVA to 3 kVA
Output protection:	Current limit (110 % of INom) Short circuit protection Over voltage shutdown (125 %) Over temperature shutdown with automatic recovery
Efficiency:	typ. 90 %
Minimum load:	no minimum load required
Applicable load:	capacitive, inductive or resistive until cos φ < 0.6
Isolation voltage:	5000 V AC (input – output) 3000 V AC (chassis – line)
Safety	acc. to EN61558-2-6 (Safety transformers)
Output protection class:	II (no PE)

Environmental Data:

Temperature:	-40 °C to +70 °C (operating) -46 °C to +85 °C (storage)
Vibration / Shock:	TBD
Protection:	IP 65 (EN 60529)
Line filter / EMC:	FCC / EN / VG / MIL Standards / TBD

Option:

Input voltage:	95 V AC - 264 V AC, 50 Hz - 60 Hz
Output voltage:	110 V AC, 50 Hz - 60 Hz
Special loads:	on request

This is a preliminary data sheet. Specifications are subjected to change.