Variac Portable Enclosed Models

Portable, metered or unmetered cased units are available in many models for laboratory and test bench applications. Each unit consists of a variable autotransformer and an overload protector.

A voltmeter, ammeter and/or wattmeter are available on some models. The output circuit is protected by either a thermal overload protector, resettable from the front panel or by easily accessible and replaceable fuses.

Shielding is provided to reduce stray fields sufficiently to provide an overall accuracy of 3% of full scale.

A double pole on-off switch interrupts both sides of the AC line. Where dual range meters are used, make before break range switches permit switching under load. A convenient carrying handle is provided on all models.

Single Phase, 120V, 50-60Hz Input
Rated Current Amperes
Max Current Amperes
KVA
Output Voltage Range
Type No.
Meter Range Amps
Meter Range Watts
Meter Range Volts
2 or 3 Wire Cord and Receptacle
Net Weight (lbs.)
Ship Weight (lbs.)
W
H
D
5.0
6.5
0.78
0-140
W5MT~*
-
-
-
3
8
15
4.875
6.562
4.375
5.0
6.5
0.78
0-140
W5MT3~*
-
-
-
3
8
15
4.875
6.562
4.375
5.0
6.5
0.78
0-140
WSMT3VM
-
-
150
3
8
19
4.875
6.562
4.375
5.0
6.5
0.78
0-140
W5MT3A
1/5
-
150
3
11
19
6.750
9.5
5.250
5.0
6.5
0.78
0-140
W5MT3W
-
150/750
150
3
12
19
6.750
9.5
5.250
5.0
6.5
0.78
0-140
W5MT3AW
1/5
150/750
150
3
12
21
11.93
8.625
5.375
7.1
9.2
1.1
0-120
W5LMT3
-
-
-
3
8
18
4.875
6.562
4.375
10.0
11.0
1.32
0-140
W8MT3!
-
-
-
3
10
16
5.375
7.0
6.125
10.0
11.0
1.32
0-140
W8MT3VM
-
-
150
2
10
16
5.375
7.0
6.125
10.0
13.0
1.56
0-140
W10MT~
-
-
-
3
16
24
6.750
9.5
5.250
10.0
13.0
1.56
0-140
W10MT3~
-
-
-
3
16
24
6.750
9.5
5.250
10.0
13.0
1.56
0-140
W10MT3A
2/10
-
150
3
18
30
8.625
11.93
5.375
10.0
13.0
1.56
0-140
W10MT3W
-
300/1500
150
3
18
30
8.625
11.93
5.375
18.1
23.0
2.6
0-140
W20MT3W
20
-
150
3
27
34
8.625
11.93
5.375
18.1
23.0
2.6
0-140
W20MT3~
-
-
-
3
20
23
8.625
11.93
5.375
Single Phase 240V 50-60Hz Input
Rated Current Amperes
Max Current Amperes
KVA
Output Voltage Range
Type No.
Meter Range Amps
Meter Range Watts
Meter Range Volts
2 or 3 Wire Cord and Receptacle
Net Weight (lbs.)
Ship Weight (lbs.)
W
H
D
2.0
2.6
0.62
0-280
W5HMT~
-
-
-
2
8
8
4.875
6.562
4.375
4.0
5.2
1.25
0-280
W10HMT
-
-
-
2
15
15
6.750
9.50
5.250
4.0
5.2
1.25
0-280
W10HMT3
-
-
-
3
15
15
6.750
9.50
5.250
8.0
10.4
2.50
0-280
W20HMT3~
-
-
-
3
27
27
8.625
11.93
5.375
8.0
10.4
2.50
0-280
W20HMT3A
10
-
300
3
25
25
8.625
11.93
5.375
~ UL Listed    * CSA Approved    !60Hz Only