AC Fixture Type Transformers

For heavy duty machine applications, RoMan’s AC Fixture Type water-cooled transformers are ideal for press, seam, rocker arm, cross wire and other welding applications. Available in various primary voltages, frequencies, and secondary voltages, both the size and capabilities of our Fixture Type units can also be designed to meet specific application requirements.

• 480 volts, 60 Hz

• RWMA Staggered and In-Line Lugs

• Over-temperature thermoswitch protection

• Fully epoxy encapsulated to ensure long life

• Optional Accessories: Parallel and Series bar kits

• Also available in other primary voltages and frequencies

Fixture Type Transformers: A - E - B - J - JL Frame

(With or without optional Parallel Bar Kit)
480 volt / 60 HZ - RWMA Staggered Lug Secondary
* To request a quote on a single Fixture Type Transformer, click the "Model Number" link.
** To request a quote on multiple Fixture Type Transformers, check the "GET QUOTE" box(s) and press the Quote Request button.

Get Quote KVA Rating @ 50% Duty Cycle Frame Letter Secondary Turns Ratio & Voltage Primary Connection Model Number Drawing (PDF) Approximate Weight - add 6lbs for Parallel Bar Kit Parallel Bar Kit Drawing (PDF) Ground Reactor
Tap 1 Tap 2 Tap 3 Tap 4
Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts
35 A 186:1 2.58 168:1 2.86 153:1 3.14 137:1 3.50 3/8-16 studs F48635A1SELX R4506 140 R1958 RGR 24/4-1099
45 E 155:1 3.10 140:1 3.43 126:1 3.81 114:1 4.21 3/8-16 studs F48645E1SELX R4506 170 R1958 RGR 24/4-1099
55 B 138:1 3.48 122:1 3.93 106:1 4.53 92:1 5.22 3/8-16 studs F48655B1SELX R4506 185 R1958 RGR 24/4-1099
60 A 134:1 3.58 120:1 4.00 108:1 4.44 96:1 5.00 3/8-16 studs F48660A1SELX R4506 140 R1958 RGR 24/4-1099
65 J 105:1 4.57 93:1 5.16 82:1 5.85 72:1 6.67 3/8-16 studs F48665J1SELX R4506 225 R1958 RGR 24/4-1099
70 E 118:1 4.07 102:1 4.71 91:1 5.27 80:1 6.00 3/8-16 studs F48670E1SELX R4506 170 R1958 RGR 24/4-1099
85 B 89:1 5.39 81:1 5.93 74:1 6.49 68:1 7.06 3/8-16 studs F48685B1SELX R4506 185 R1958 RGR 24/4-1099
90 JL 80:1 6.00 70:1 6.86 63:1 7.62 56:1 8.57 3/8-16 studs F48690JL1SELX R4506 270 R1958 RGR 24/4-1099
120 J 67:1 7.16 62:1 7.74 57:1 8.42 53:1 9.06 3/8-16 studs F486120J1SELX R4506 225 R1958 RGR 24/4-1099
150 JL 51:1 9.41 48:1 10.00 45:1 10.67 42:1 11.43 3/8-16 studs F486150JL1SELX R4506 270 R1958 RGR 24/4-1099

One Ground Reactor is required for each set of secondary lugs used, unless a Parallel Bar Kit is installed.

RoMan Parallel Bar Kits and Grounding Reactors are NOT INCLUDED with RoMan Fixture Type Transformers, but can be added as part of your Quote Request.

Fixture Type Transformers: A - E - B - J - JL Frame

(With Series Bar Kit)
480 volt / 60 HZ - RWMA Staggered Lug Secondary
* To request a quote on a single Fixture Type Transformer, click the "Model Number" link.
** To request a quote on more than one (1) Fixture Type Transformer, check the "GET QUOTE" box and press the Quote Request button.

Get Quote KVA Rating @ 50% Duty Cycle Frame Letter Secondary Turns Raio & Voltage Primary Connection Model Number Drawing (PDF) Approximate Weight with Series Bar kit Series Bar Kit Drawing (PDF) Ground Reactor
Tap 1 Tap 2 Tap 3 Tap 4
Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts
35 A 186:2 5.16 168:2 5.72 153:2 6.28 137:2 7.00 3/8-16 studs F48635A1SELX R4506 144 R2361 RGR 24/4-1099
45 E 155:2 6.20 140:2 6.86 126:2 7.62 114:2 8.42 3/8-16 studs F48645E1SELX R4506 174 R2361 RGR 24/4-1099
55 B 138:2 6.96 122:2 7.86 106:2 9.06 92:2 10.44 3/8-16 studs F48655B1SELX R4506 189 R2361 RGR 24/4-1099
60 A 134:2 7.16 120:2 8.00 108:2 8.88 96:2 10.00 3/8-16 studs F48660A1SELX R4506 144 R2361 RGR 24/4-1099
65 J 105:2 9.14 93:2 10.32 82:2 11.70 72:2 13.34 3/8-16 studs F48665J1SELX R4506 229 R2361 RGR 24/4-1099
70 E 118:2 8.14 102:2 9.42 91:2 10.54 80:2 12.00 3/8-16 studs F48670E1SELX R4506 174 R2361 RGR 24/4-1099
85 B 89:2 10.78 81:2 11.86 74:2 12.98 68:2 14.12 3/8-16 studs F48685B1SELX R4506 189 R2361 RGR 24/4-1099
90 JL 80:2 12.00 70:2 13.72 63:2 15.24 56:2 17.14 3/8-16 studs F48690JL1SELX R4506 274 R2361 RGR 24/4-1099
120 J 67:2 14.32 62:2 15.48 57:2 16.84 53:2 18.12 3/8-16 studs F486120J1SELX R4506 229 R2361 RGR 24/4-1099
150 JL 51:2 18.82 48:2 20.00 45:2 21.34 42:2 22.86 3/8-16 studs F486150JL1SELX R4506 274 R2361 RGR 24/4-1099

One Ground Reactor is required for each set of secondary lugs used, unless a Series Bar Kit is installed.

RoMan Series Bar Kits and Grounding Reactors are NOT INCLUDED with RoMan Fixture Type Transformers, but can be added as part of your Quote Request.

Fixture Type Transformers: AS - ES - BS - JS - DS Frame

480 volt / 60 HZ - Single Secondary
5 - 3/4" x 9 - 1/4"
* To request a quote on a single Fixture Type Transformer, click the "Model Number" link.
** To request a quote on multiple Fixture Type Transformers, check the "GET QUOTE" box(s) and press the Quote Request button.

Get Quote KVA Rating @ 50% Duty Cycle Frame Letter Secondary Turns Ratio & Voltage Primary Connection Model Number Drawing (PDF) Weight Ground Reactor
Tap 1 Tap 2 Tap 3 Tap 4
Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts
25 AS 132:1 3.63 119:1 4.03 106:1 4.52 96:1 5.00 5/8 - 16 studs F48625AS1SDLX R4546 106 RGR 24/4-1099
35 ES 104:1 4.60 95:1 5.05 87:1 5.52 80:1 6.00 5/8 - 16 studs F48635ES1SDLX R4546 120 RGR 24/4-1099
45 BS 87:1 5.51 81:1 5.92 75:1 6.40 67:1 7.16 5/8 - 16 studs F48645BS1SDLX R4546 143 RGR 24/4-1099
65 JS 66:1 7.20 61:1 7.87 57:1 8.42 53:1 9.00 5/8 - 16 studs F48665JS1SDLX R4546 172 RGR 24/4-1099
80 DS 52:1 9.20 48:1 10.00 44:1 10.91 42:1 11.50 5/8 - 16 studs F48680DS1SDLX R4546 215 RGR 24/4-1099

One Ground Reactor is required for each set of secondary lugs used, unless a Parallel Bar Kit is installed.

RoMan Parallel Bar Kits and Grounding Reactors are NOT INCLUDED with RoMan Fixture Type Transformers, but can be added as part of your Quote Request.

Fixture Type Transformers: C - D - F - DL Frame

(With or without optional Parallel Bar Kit)
480 volt / 60 HZ 80 - 200 KVA * To request a quote on a single Fixture Type Transformer, click the "Model Number" link. ** To request a quote on multiple Fixture Type Transformers, check the "GET QUOTE" box(s) and press the Quote Request button.

Get Quote KVA Rating @ 50% Duty Cycle Frame Letter Secondary Turns Ratio & Voltage Primary Connection Model Number Drawing (PDF) Approximate Weight - add 6lbs for Parallel Bar Kit Parallel Bar Kit Drawing Ground Reactor
Tap 1 Tap 2 Tap 3 Tap 4 Tap 5
Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts
80 C 96:1 5.00 86:1 5.58 78:1 6.15 70:1 6.86 63:1 7.62 3/8 - 16 studs F48680C1SELX R4503 260 R1958 RGR 24/4-1099
100 D 70:1 6.60 65:1 7.40 61:1 7.90 57:1 8.40 53:1 9.00 3/8 - 16 studs F486100D1SELX R4503 310 R1958 RGR 24/4-1099
120 C 68:1 7.06 64:1 7.50 60:1 8.00 56:1 8.57 53:1 9.06 3/8 - 16 studs F486120C1SELX R4503 245 R1958 RGR 24/4-1099
125 F 61:1 7.80 56:1 8.60 52:1 9.20 48:1 10.00 NA NA 3/8 - 16 studs F486125F1SELX R4503 325 R1958 RGR 24/4-1099
150 D 52:1 9.23 48:1 10.00 44:1 10.91 41:1 11.71 NA NA 3/8 - 16 studs F486150D1SELX R4503 140 R1958 RGR 24/4-1099
150 F 52:1 9.20 48:1 10.00 48:1 10.00 40:1 12.20 NA NA 3/8 - 16 studs F486150F1SELX R4503 325 R1958 RGR 24/4-1099
150 DL 51:1 9.40 47:1 10.21 44:1 10.91 41:1 11.70 NA NA 3/8 - 16 studs F486150DL1SELX R4503 375 R1958 RGR 24/4-1099
200 DL 38:1 12.63 35:1 13.71 33:1 14.55 31:1 15.48 NA NA 3/8 - 16 studs F486200DL1SELX R4503 372 R1958 RGR 24/4-1099

One Ground Reactor is required for each set of secondary lugs used, unless a Parallel Bar Kit is installed.

RoMan Parallel Bar Kits and Grounding Reactors are NOT INCLUDED with RoMan Fixture Type Transformers, but can be added as part of your Quote Request.

Fixture Type Transformers: C - D - F - DL Frame

(With Series Bar Kit)
480 volt / 60 HZ
80 - 200 KVA
RWMA Staggered Lug Secondary
* To request a quote on a single Fixture Type Transformer, click the "Model Number" link.
** To request a quote on multiple Fixture Type Transformers, check the "GET QUOTE" box(s) and press the Quote Request button.

Get Quote KVA Rating @ 50% Duty Cycle Frame Letter Secondary Turns Ratio & Voltage Primary Connection Model Number Drawing (PDF) Approximate Weight - add 6lbs for Parallel Bar Kit Series Bar Kit Drawing Ground Reactor
Tap 1 Tap 2 Tap 3 Tap 4 Tap 5
Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts Turns Ratio Volts
80 C 96:2 10.00 86:2 11.16 78:2 12.31 70:2 13.71 63:2 15.24 3/8 - 16 studs F48680C1SELX R4503 260 R2361 RGR 24/4-1099
100 D 70:2 13.71 65:2 14.77 61:2 15.74 57:2 16.84 53:2 10.32 3/8 - 16 studs F486100D1SELX R4503 310 R2361 RGR 24/4-1099
120 C 68:2 14.12 64:2 15.00 60:2 16.00 56:2 17.14 53:2 10.32 3/8 - 16 studs F486120C1SELX R4503 245 R2361 RGR 24/4-1099
125 F 61:2 15.74 56:2 17.14 52:2 18.46 48:2 23.41 NA NA 3/8 - 16 studs F486125F1SELX R4503 325 R2361 RGR 28/2-1152
150 D 52:2 18.46 48:2 20.00 44:2 21.82 41:2 23.41 NA NA 3/8 - 16 studs F486150D1SELX R4503 140 R2361 RGR 28/2-1152
150 F 52:2 18.46 48:2 20.00 48:2 21.82 40:2 24.00 NA NA 3/8 - 16 studs F486150F1SELX R4503 325 R2361 RGR 28/2-1152
150 DL 51:2 18.82 47:2 20.43 44:2 21.82 41:2 23.41 NA NA 3/8 - 16 studs F486150DL1SELX R4503 375 R2361 RGR 28/2-1152
200 DL 38:2 25.26 35:2 27.43 33:2 29.09 31:2 30.96 NA NA 3/8 - 16 studs F486200DL1SELX R4503 372 R2361 RGR 28/2-1152

One Ground Reactor is required for each set of secondary lugs used, unless a Series Bar Kit is installed.

RoMan Series Bar Kits and Grounding Reactors are NOT INCLUDED with RoMan Fixture Type Transformers, but can be added as part of your Quote Request.

Transformer Repair Services

Click below to request a Return Material Authorization (RMA) #.

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