AE-3 Series

Manually Operated
Variable Transformers
Three-Phase3 to 60 Amps

AE-3 Series- Manually Operated
Three-Phase Variable Transformers

Unlike fixed ratio transformers, Ashley-Edison (UK) ‘Variac’ style Three Phase auto-transformers provide an infinity variable step-less output voltage that can be adjusted from 0 to 117% of the nominal input voltage.

AE-3 Series Models are available in 11 different power ratings:

3, 5, 10, 15, 20, 25, 30, 35, 40, 50 & 60 Amps

and support nominal input voltages of 380 to 415V (HB Range) and 190 to 208V (LB Range) and 440 to 480V (HB-480 Range).

Offered as manually operated and supplied as standard in IP20 (NEMA 1 Style) enclosures, with terminal covers, the casings can be easily removed for ‘Open’ style and panel mount applications.

To learn more please check out the listings below –

Proven & Endurable Design

The basic variable auto-transformer consists of a copper winding on a toroidal core of laminated, grain-oriented, silicon steel. A carbon brush, connected to an output terminal, is rotated over the length of a precision-ground, commutator track to tap off voltage at any turn from zero volts to the maximum output voltage of the winding.

Unlike a standard fixed ratio transformer, Ashley-Edison (UK) variable transformers are designed to provide an infinitely variable step-less output voltage that can be adjusted from 0 to 117% of the transformer’s nominal input voltage.

Design Features

High Efficiency & Excellent Regulation

In contrast to current hungry rheostats and other resistive type voltage controllers, Ashley-Edison (UK) variable auto-transformers have an extremely small power loss, delivering efficiency of 98% or better. Within the transformer ratings, our variable transformers deliver, from no-load to full-load current, negligible variation in output voltage.

Distortion Less Voltage Control

Due to the superiority of the core design and quality of the steel grade utilized, Ashley-Edison (UK) Variable Transformers provide a facsimile of the input waveform with negligible distortion – an essential feature required by many electronic applications.

Low Operating Torque

Due to the ultra-smooth commutator surface, correct and constant contact pressure of the brush on the commutator, combined with the firm positioning of the coil and internal components ensures all Ashley-Edison(UK) Variable Transformers deliver a low operating torque.

Trouble-Free Mechanical Construction for Long Life

All Ashley-Edison (UK) variable transformers are designed for heavy-duty and trouble-free operation. Built to exacting mechanical tolerances, using the finest materials available, the quality of design and build ensures minimal maintenance requirements and enhanced design life.

Negligible Maintenance

When operated in accordance with the operating instructions, the only component that may require periodic inspection and occasional replacement are the brushes. As the brushes are made of a special highly endurable carbon and the design ensures proper contact with the commutator at all times, the need for replacement is infrequent.

Straight forward Install & Use

Whether for bench use or panel mounting, installation, mounting, and use is designed to be easy. Terminals are easily accessible – screw or lug. Output, on manually operated variable transformers, is controlled by either clockwise or anti-clockwise knob rotation.

International Standards Compliance & CE Certification

All Ashley-Edison (UK) variable transformers are designed and manufactured to comply with all relevant International Standards and appropriate European Union CE Directives.

AmpsAE ModelNominal
Volts AC
kVA @ max
Output Volts
Output
Volts
Dimensions
W x H x D mm
Weight
(Kgs)
3 AmpsAE-3203-HB380V
400V
415V
2.3
2.4
2.5
0 to 445V
0 to 468V
0 to 485V
164 x 390 x 21018
5 AmpsAE-3205-HB380V
400V
415V
3.9
4.1
4.2
0 to 445V
0 to 468V
0 to 485V
164 x 390 x 21020
10 AmpsAE-3210-HB380V
400V
415V
7.7
8.1
8.4
0 to 445V
0 to 468V
0 to 485V
215 x 390 x 26030
15 AmpsAE-3215-HB380V
400V
415V
11.6
12.2
12.6
0 to 445V
0 to 468V
0 to 485V
215 x 160 x 26038
20 AmpsAE-3220-HB380V
400V
415V
15.4
16.2
16.8
0 to 445V
0 to 468V
0 to 485V
240 x 480 x 28554
25 AmpsAE-3225-HB380V
400V
415V
19.3
20.3
21.0
0 to 445V
0 to 468V
0 to 485V
300 x 500 x 34565
30 AmpsAE-3230-HB380V
400V
415V
23.1
24.3
25.2
0 to 445V
0 to 468V
0 to 485V
300 x 500 x 34572
35 AmpsAE-3235-HB380V
400V
415V
27.0
28.4
29.4
0 to 445V
0 to 468V
0 to 485V
300 x 500 x 34575
40 AmpsAE-3240-HB380V
400V
415V
30.8
32.4
33.5
0 to 445V
0 to 468V
0 to 485V
370 x 560 x 425100
50 AmpsAE-3250-HB380V
400V
415V
38.6
40.6
42.0
0 to 445V
0 to 468V
0 to 485V
370 x 600 x 450115
60 AmpsAE-32302-HB380V
400V
415V
46.3
48.6
50.4
0 to 445V
0 to 468V
0 to 485V
300 x 920 x 400150

Note: Other voltage configurations available on request/quotation.

Ratings: Currents stated are the maximums at any voltage within the stated output voltage range. Should it be required to run the variable transformer continuously at this current, then we would recommend you select a model with a 20% excess rating (eg for a 20 Amp continuous rating select the 25 Amp model).

AmpsAE ModelNominal
Volts AC
kVA @ max
Output Volts
Output
Volts
Dimensions
W x H x D mm
Weight
(Kgs)
3 AmpsAE-3103-LB190V
200V
208V
1.15
1.22
1.26
0 to 222V
0 to 234V
0 to 243V
164 x 390 x 21015
5 AmpsAE-3105-LB190V
200V
208V
1.9
2.0
2.1
0 to 222V
0 to 234V
0 to 243V
164 x 390 x 21016
10 AmpsAE-3110-LB190V
200V
208V
3.8
4.0
4.2
0 to 222V
0 to 234V
0 to 243V
164 x 390 x 21020
15 AmpsAE-3115-LB190V
200V
208V
5.7
6.0
6.3
0 to 222V
0 to 234V
0 to 243V
215 x 390 x 26030
20 AmpsAE-3120-LB190V
200V
208V
7.6
8.1
8.4
0 to 222V
0 to 234V
0 to 243V
240 x 480 x 28537
25 AmpsAE-3125-LB190V
200V
208V
9.6
10.1
10.5
0 to 222V
0 to 234V
0 to 243V
240 x 480 x 28541
30 AmpsAE-3130-LB190V
200V
208V
11.5
12.1
12.6
0 to 222V
0 to 234V
0 to 243V
300 x 500 x 34565
35 AmpsAE-3135-LB190V
200V
208V
13.4
14.1
14.7
0 to 222V
0 to 234V
0 to 243V
300 x 620 x 34569
40 AmpsAE-3140-HLB190V
200V
208V
15.3
16.2
16.8
0 to 222V
0 to 234V
0 to 243V
300 x 620 x 34575
50 AmpsAE-3150-LB190V
200V
208V
19.2
20.2
21
0 to 222V
0 to 234V
0 to 243V
370 x 600 x 450100
60 AmpsAE-31302-LB190V
200V
208V
23.0
24.3
25.2
0 to 222V
0 to 234V
0 to 243V
300 x 920 x 400136

Note: Other voltage configurations available on request/quotation.

Ratings: Currents stated are the maximums at any voltage within the stated output voltage range. Should it be required to run the variable transformer continuously at this current, then we would recommend you select a model with a 20% excess rating (eg for a 20 Amp continuous rating select the 25 Amp model).

AmpsAE ModelNominal
Volts AC
kVA @ max
Output Volts
Output
Volts
Dimensions
W x H x D mm
Weight
(Kgs)
3 AmpsAE-3203-HB-480440V
460V
480V
2.7
2.8
2.9
0 to 515V
0 to 538V
0 to 562V
164 x 390 x 21020
5 AmpsAE-3205-HB-480440V
460V
480V
4.5
4.7
4.9
0 to 515V
0 to 538V
0 to 562V
164 x 390 x 21027
10 AmpsAE-3210-HB-480440V
460V
480V
8.9
9.3
9.7
0 to 515V
0 to 538V
0 to 562V
330 x 500 x 30048
15 AmpsAE-3215-HB-480440V
460V
480V
13.4
14.0
14.6
0 to 515V
0 to 538V
0 to 562V
330 x 500 x 30058
20 AmpsAE-3220-HB-480440V
460V
480V
17.8
18.6
19.5
0 to 515V
0 to 538V
0 to 562V
300 x 500 x 34565
25 AmpsAE-3225-HB-480440V
460V
480V
22.3
23.3
24.3
0 to 515V
0 to 538V
0 to 562V
300 x 500 x 34578
30 AmpsAE-3230-HB-480440V
460V
480V
26.8
28.0
29.2
0 to 515V
0 to 538V
0 to 562V
300 x 620 x 34595
35 AmpsAE-3235-HB-480440V
460V
480V
31.2
32.6
34.1
0 to 515V
0 to 538V
0 to 562V
370 x 560 x 425105
40 AmpsAE-3240-HB-480440V
460V
480V
35.7
37.3
38.9
0 to 515V
0 to 538V
0 to 562V
370 x 560 x 425115
50 AmpsAE-32252-HB-480440V
460V
480V
44.6
46.6
48.7
0 to 515V
0 to 538V
0 to 562V
370 x 920 x 400160
60 AmpsAE-32302-HB-480440V
460V
480V
53.5
55.9
58.4
0 to 515V
0 to 538V
0 to 562V
370 x 1100 x 500200

Note: Other voltage configurations available on request/quotation.

Ratings: Currents stated are the maximums at any voltage within the stated output voltage range. Should it be required to run the variable transformer continuously at this current, then we would recommend you select a model with a 20% excess rating (eg for a 20 Amp continuous rating select the 25 Amp model).

Input Voltage:Nominal Voltage +6%
Output Voltage:Continuously variable from 0 to 117% of the input voltage
Frequency:47 to 65Hz
Power Factor:The Power Factor has no effect on performance providing the variable transformer is being used within its rated capacity
Efficiency:≥98%
Surge Rating:4 x max. current rating for 1 second
3 x max. current rating for 3 seconds
1.5 x max. current rating for 15 seconds
Environmental:Temperature range -15 to 45°C. Derate by 2% for each additional °C up to a max of 60°C
Suitable for indoor tropical use up to 95% RH (non-condensing)
Maximum altitude 1000m. Derate by 2.5% for each additional 500m
Standards Compliance:BS EN 61558-1:2005 + AI:2009 & BS EN 61558-2-13:2009
CE Conformity:CE Marked – compliant with European Union Directive 2006/95/EC (Low Voltage Directive)
RoHS Compliance:Fully RoHS Compliant – complaint with European Union Directive 2011/65/EC (RoHS Directive)
Standard Warranty:1 Year / 12 months from date of supply
Note: Safety Caution: When using variable transformers, installation and connection must be carried out in accordance with relevant safety standards, and care must be taken to ensure local regulations are strictly adhered to. When utilized as components in other systems, the variable transformers must never be used without suitable safety protection being in place.
Sales & Support

Sales & Technical Data Sheet

– AE-3x HB (380-415V) Models 

Sales & Technical Data Sheet

– AE-3x LB (190-208V) Models 

Sales & Technical Data Sheet

– AE-3x HB-480 (440-480V) Models 

Operator / User Manual

Operator Manual with sections on installation, and maintenance.

 
CE Certification 

AE-3 Series Three Phase Manually Operated Variable Transformers comply with the relevant European Union (EU) health, safety, and environmental protection directives and regulations and are duly CE marked.

Ashley-Edison (UK) Declaration

Low Voltage Directive – 2006/95/EC

Ashley-Edison (UK) Declaration

RoHS Directive – 2011/65/EC

Independent 3rd Party Verification Certificate

Low Voltage Directive 2006/95/EC

If you do not find the Variable Transformer that meets your application’s exact needs, please contact us with your specific detailed requirements.