RoMan Machine Transformers FOR SALE

IN-STOCK and Available Now from Weld Systems Integrators

RoMan machine transformers are water-cooled and ideal for press, seam, rocker arm, cross wire and other welding applications. Available in various frequencies and secondary voltages. Size and capability of our Machine Transformers can be designed to meet your application’s requirements

RoMan Machine Transformers Features:

KVA Range: 20 KVA – 500 KVA (rated at 50% duty cycle)
RWMA standard machine pad sizes and hole spacing
Primary Voltages:
1. 480 Volts, 60Hz (7 – 1/4″ x 9 – 1/4″ and 7 – 3/4″ x 10 – 1/4″ only)
2. 575 Volts, 60Hz
Fully encapsulated to ensure long life
Optional accessories:
1. Available remotely mounted Switchgear / Tap Switch
2. Over-temperature thermoswitches

RoMan Machine Transformer | Weld Systems Integrators

Machine Transformers: ML - MA Frame

Machine Transformers: ML – MA Frame

KVA Rating	Frame	Secondary Turns Ratio (TR)																Tap Switch	Model	RWMA Pad Size
		Tap 1		Tap 2		Tap 3		Tap4		Tap5		Tap6		Tap7		Tap8
		TR	Volts	TR	Volts	TR	Volts	TR	Volts	TR	Volts	TR	Volts	TR	Volts	TR	Volts
100	ML	80:1	5.50	74:1	5.94	68:1	6.47	62:1	7.09	57:1	7.71	52:1	8.46	48:1	9.16	44:1	10.00	End	M446100ML1BMLX	1
100	ML	80:1	5.50	74:1	5.94	68:1	6.47	62:1	7.09	57:1	7.71	52:1	8.46	48:1	9.16	44:1	10.00	End	M446100ML1BNLX	2
100	ML	80:1	5.50	74:1	5.94	68:1	6.47	62:1	7.09	57:1	7.71	52:1	8.46	48:1	9.16	44:1	10.00	End	M446100ML1BOLX	3
100	ML	80:1	5.50	74:1	5.94	68:1	6.47	62:1	7.09	57:1	7.71	52:1	8.46	48:1	9.16	44:1	10.00	Side	M446100ML1FMLX	1
100	ML	80:1	5.50	74:1	5.94	68:1	6.47	62:1	7.09	57:1	7.71	52:1	8.46	48:1	9.16	44:1	10.00	Side	M446100ML1FNLX	2
100	ML	80:1	5.50	74:1	5.94	68:1	6.47	62:1	7.09	57:1	7.71	52:1	8.46	48:1	9.16	44:1	10.00	Side	M446100ML1FOLX	3
125	MA	66:1	5.50	60:1	7.33	55:1	8.00	50:1	8.80	46:1	9.56	42:1	10.47	39:1	11.28	36:1	12.20	End	M446125MA1BMLX	1
125	MA	66:1	5.50	60:1	7.33	55:1	8.00	50:1	8.80	46:1	9.56	42:1	10.47	39:1	11.28	36:1	12.20	End	M446125MA1BNLX	2
125	MA	66:1	5.50	60:1	7.33	55:1	8.00	50:1	8.80	46:1	9.56	42:1	10.47	39:1	11.28	36:1	12.20	End	M446125MA1BOLX	3
125	MA	66:1	5.50	60:1	7.33	55:1	8.00	50:1	8.80	46:1	9.56	42:1	10.47	39:1	11.28	36:1	12.20	Side	M446125MA1FMLX	1
125	MA	66:1	5.50	60:1	7.33	55:1	8.00	50:1	8.80	46:1	9.56	42:1	10.47	39:1	11.28	36:1	12.20	Side	M446125MA1FNLX	2
125	MA	66:1	5.50	60:1	7.33	55:1	8.00	50:1	8.80	46:1	9.56	42:1	10.47	39:1	11.28	36:1	12.20	Side	M445125MA1FOLX	3

* KVA Rating @ 50% Duty Cycle
* Drawings #R1471 and R1472 available on request

Machine Transformers: NB - NL Frame

Machine Transformers: NB – NL Frame

KVA Rating	Frame	Secondary Turns Ratio (TR)																Tap Switch	Model	RWMA Pad Size
		Tap 1		Tap 2		Tap 3		Tap4		Tap5		Tap6		Tap7		Tap8
		TR	Volts	TR	Volts	TR	Volts	TR	Volts	TR	Volts	TR	Volts	TR	Volts	TR	Volts
50	NB	110:1	4.00	96:1	4.58	83:1	5.30	73:1	6.03	63:1	6.98	55:1	7.90	NA	NA	NA	NA	End Mount	M44650NB1BMLX	1
50	NB	110:1	4.00	96:1	4.58	83:1	5.30	73:1	6.03	63:1	6.98	55:1	7.90	NA	NA	NA	NA	End Mount	M44650NB1BNLX	2
50	NB	110:1	4.00	96:1	4.58	83:1	5.30	73:1	6.03	63:1	6.98	55:1	7.90	NA	NA	NA	NA	Side Mount	M44650NB1FMLX	1
50	NB	110:1	4.00	96:1	4.58	83:1	5.30	73:1	6.03	63:1	6.98	55:1	7.90	NA	NA	NA	NA	Side Mount	M44650NB1FNLX	2
50	NL	119:1	3.60	98:1	4.48	81:1	5.43	69:1	6.37	61:1	7.21	54:1	8.14	49:1	8.97	44:1	10.00	End Mount	M44650NL1BMLX	1
50	NL	119:1	3.60	98:1	4.48	81:1	5.43	69:1	6.37	61:1	7.21	54:1	8.14	49:1	8.97	44:1	10.00	End Mount	M44650NL1BNLX	2
50	NL	119:1	3.60	98:1	4.48	81:1	5.43	69:1	6.37	61:1	7.21	54:1	8.14	49:1	8.97	44:1	10.00	Side Mount	M44650NL1FMLX	1
50	NL	119:1	3.60	98:1	4.48	81:1	5.43	69:1	6.37	61:1	7.21	54:1	8.14	49:1	8.97	44:1	10.00	Side Mount	M44650NL1FNLX	2
75	NL	77:1	5.70	71:1	6.19	65:1	6.76	59:1	7.45	54:1	8.14	50:1	8.80	47:1	9.36	44:1	10.00	End Mount	M44675NL1BMLX	1
75	NL	77:1	5.70	71:1	6.19	65:1	6.76	59:1	7.45	54:1	8.14	50:1	8.80	47:1	9.36	44:1	10.00	End Mount	M44675NL1BNLX	2
75	NL	77:1	5.70	71:1	6.19	65:1	6.76	59:1	7.45	54:1	8.14	50:1	8.80	47:1	9.36	44:1	10.00	Side Mount	M44675NL1FMLX	1
75	NL	77:1	5.70	71:1	6.19	65:1	6.76	59:1	7.45	54:1	8.14	50:1	8.80	47:1	9.36	44:1	10.00	Side Mount	M44675NL1FNLX	2
100	NL	65:1	6.80	60:1	7.33	55:1	8.00	51:1	8.62	47:1	9.36	44:1	10.00	NA	NA	NA	NA	End Mount	M446100NL1BMLX	1
100	NL	65:1	6.80	60:1	7.33	55:1	8.00	51:1	8.62	47:1	9.36	44:1	10.00	NA	NA	NA	NA	End Mount	M446100NL1BNLX	2
100	NL	65:1	6.80	60:1	7.33	55:1	8.00	51:1	8.62	47:1	9.36	44:1	10.00	NA	NA	NA	NA	Side Mount	M446100NL1FMLX	1
100	NL	65:1	6.80	60:1	7.33	55:1	8.00	51:1	8.62	47:1	9.36	44:1	10.00	NA	NA	NA	NA	Side Mount	M446100NL1FNLX	2
120	NA	60:1	7.33	56:1	7.85	52:00	8.46	48:1	9.16	45:1	9.77	42:1	10.47	39:1	11.28	36:1	12.22	End Mount	M446120NA1BMLX	1
120	NA	60:1	7.33	56:1	7.85	52:00	8.46	48:1	9.16	45:1	9.77	42:1	10.47	39:1	11.28	36:1	12.22	End Mount	M446120NA1BNLX	2
120	NA	60:1	7.33	56:1	7.85	52:00	8.46	48:1	9.16	45:1	9.77	42:1	10.47	39:1	11.28	36:1	12.22	Side Mount	M446120NA1FMLX	1
120	NA	60:1	7.33	56:1	7.85	52:00	8.46	48:1	9.16	45:1	9.77	42:1	10.47	39:1	11.28	36:1	12.22	Side Mount	M446120NA1FNLX	2

* KVA Rating @ 50% Duty Cycle
* Drawings #R1471 and R1472 available on request

Machine Transformers: PL - PA Frame

Machine Transformers: PL – PA Frame

150 – 200 KVA

12 – 1/2″ x 13 – 3/8″

KVA Rating	Frame	Secondary Turns Ratio																Tap Switch	Model	RWMA Pad Size	Approx. Weight (lbs.)
		Tap 1		Tap 2		Tap 3		Tap4		Tap5		Tap6		Tap7		Tap8
		TR	V	TR	V	TR	V	TR	V	TR	V	TR	V	TR	V	TR	V
150	PL	69:1	6.40	63:1	6.98	57:1	7.71	53:1	8.30	49:1	8.97	45:1	9.77	42:1	10.47	40:1	11.00	End Mount	M446150PL1BNLX	2	567
150	PL	69:1	6.40	63:1	6.98	57:1	7.71	53:1	8.30	49:1	8.97	45:1	9.77	42:1	10.47	40:1	11.00	End Mount	M446150PL1BOLX	3	572
150	PL	69:1	6.40	63:1	6.98	57:1	7.71	53:1	8.30	49:1	8.97	45:1	9.77	42:1	10.47	40:1	11.00	Side Mount	M446150PL1FNLX	2	577
150	PL	69:1	6.40	63:1	6.98	57:1	7.71	53:1	8.30	49:1	8.97	45:1	9.77	42:1	10.47	40:1	11.00	Side Mount	M446150PL1FOLX	3	592
200	PL	59:1	7.45	55:1	8.00	51:1	8.62	48:1	9.16	45:1	9.77	43:1	10.23	41:1	10.73	39:1	11.28	End Mount	M446200PL1BNLX	2	567
200	PL	59:1	7.45	55:1	8.00	51:1	8.62	48:1	9.16	45:1	9.77	43:1	10.23	41:1	10.73	39:1	11.28	End Mount	M446200PL1BOLX	3	572
200	PL	59:1	7.45	55:1	8.00	51:1	8.62	48:1	9.16	45:1	9.77	43:1	10.23	41:1	10.73	39:1	11.28	Side Mount	M446200PL1FNLX	2	587
200	PL	59:1	7.45	55:1	8.00	51:1	8.62	48:1	9.16	45:1	9.77	43:1	10.23	41:1	10.73	39:1	11.28	Side Mount	M446200PL1FOLX	3	592
200	PA	57:1	7.71	53:1	8.30	49:1	8.97	45:1	9.77	42:1	10.47	39:1	11.28	36:1	12.22	34:1	12.94	End Mount	M446200PA1BNLX	2	671
200	PA	57:1	7.71	53:1	8.30	49:1	8.97	45:1	9.77	42:1	10.47	39:1	11.28	36:1	12.22	34:1	12.94	End Mount	M446200PA1BOLX	3	676
200	PA	57:1	7.71	53:1	8.30	49:1	8.97	45:1	9.77	42:1	10.47	39:1	11.28	36:1	12.22	34:1	12.94	Side Mount	M446200PA1FNLX	2	691
200	PA	57:1	7.71	53:1	8.30	49:1	8.97	45:1	9.77	42:1	10.47	39:1	11.28	36:1	12.22	34:1	12.94	Side Mount	M446200PA1FOLX	3	696

* KVA Rating @ 50% Duty Cycle
* Drawings #R1093 and R1305 available on request

Machine Transformers: V - VA - U - UA Frame

Machine Transformers: V – VA – U – UA Frame

250 – 500 KVA

13 – 3/8″ x 20 – 3/4″ and 16 – 1/2″ x 20 – 3/4″

KVA Rating

Frame

Secondary TR

Tap Switch

Model

RWMA Pad Size

Approx Weight Lbs

Tap 1

Tap 2

Tap 3

Tap4

Tap5

Tap6

Tap7

Tap8

250

58:1

7.60

53:1

8.30

49:1

8.97

45:1

9.77

41:1

10.73

38:1

11.57

35:1

12.57

32:1

13.80

End Mount

M446250V1BOLX

1005

300

51:1

8.62

47:1

9.36

43:1

10.23

39:1

11.28

36:1

12.22

33:1

13.33

30:1

14.66

281

15.71

End Mount

M446300VA1BOLX

1115

300

51:1

8.62

47:1

9.36

43:1

10.23

39:1

11.28

36:1

12.22

33:1

13.33

30:1

14.66

28:1

15.71

End Mount

M446300VA1BPLX

1130

400

50:1

8.80

46:1

9.56

42:1

10.47

38:1

11.57

34:1

12.94

31:1

14.19

28:1

15.71

26:1

16.92

End Mount

M446400U1BPLX

1499

500

45:1

9.80

31:1

13.19

37:1

11.89

34:1

12.94

31:1

14.19

28:1

15.71

26:1

16.92

24:1

18.30

End Mount

M446500UA1BPLX

1579

* KVA Rating @ 50% Duty Cycle
* Drawings #R1286 and R1285 available on request

RoMan Transformers available from Weld Systems Integrators
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Transgun Transformers	Portable Gun Type Transformers	Machine Type Transformers	DC / Low Frequency Transformers

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CONTACT Weld Systems Integrators, or REQUEST A QUOTE on standard IN-STOCK inventory or fully custom welding equipment. To speak with a WSI team member, please give us a call at 844-WSI-WELD or +1-216-475-5629.

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