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MFDC Transformer – Size 4 TDC-1078

RoMan’s lightweight MFDC water-cooled transformers are ideal for robotic and fixture spot welding applications. With over-temperature thermoswitch protection, it is also available in 500 and 800 Volt, 1,000 and 1800 Hz.

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• 650 Volt, 1,000 Hz

• 170 KVA @ 50% duty cycle

• Secondary no load DC voltages of 9.5 and 13.0 volts

• Over-temperature thermoswitch protection

• Secondary pick-up coil

• Fully epoxy encapsulated to ensure long life

• Water-cooled, 15 L.P.M. (4 G.P.M.) minimum @ 30°C

max inlet temperature

• Weight: 45 kg (100 lbs)

• Also available in 500 & 800 Volt, 1,000 Hz

MFDC / Inverter Power Supplies

* To request a quote on a single MFDC / Inverter, click the "Model Number" link.
** To request a quote on multiple MFDC / Inverter, check the "GET QUOTE" box(s) and press the Quote Request button.

MFDC / Inverter Power Supply - SIZE 2.5

KVA Rating @ 50% Duty Cycle	MFDC Inverter Power Supplies	Volts	Frame Size	Secondary Turns Ratio & Voltage				Model Number	Drawing (PDF)	Rating Curve	RWMA Pad Size	Approx Weight (Lbs)
				Tap 1		Tap 2
				Turns Ratio	Volts	Turns Ratio	Volts
100	2.5	500	S	55:1	9.1	N / A	N / A	TDC-8553	8553-1	RC Size 2.5	N / A	37
100	2.5	650	S	72:1	9.0	N / A	N / A	TDC-8438	8438-1	RC Size 2.5	N / A	37
100	2.5	800	S	87:1	9.2	N / A	N / A	TDC-8554	8554-1	RC Size 2.5	N / A	37

MFDC / Inverter Power Supply - SIZE 3

KVA Rating @ 50% Duty Cycle	MFDC Inverter Power Supplies	Volts	Frame Size	Secondary Turns Ratio & Voltage				Model Number	Drawing (PDF)	Rating Curve	RWMA Pad Size	Approx Weight (Lbs)
				Tap 1		Tap 2
				Turns Ratio	Volts	Turns Ratio	Volts
160	3	500	S	55:1	9.0	38:1	13.1	TDC-5826-B	5826-1	RC Size 3	N / A	64
160	3	650	S	72:1	9.0	50:1	13:0	TDC-5998-B	5998-1	RC Size 3	N / A	64
160	3	800	S	88:1	9.0	61:1	13.1	TDC-5999-B	5999-1	RC Size 3	N / A	64

MFDC / Inverter Power Supply - SIZE 3.5

KVA Rating @ 50% Duty Cycle	MFDC Inverter Power Supplies	Volts	Frame Size	Secondary Turns Ratio & Voltage				Model Number	Drawing (PDF)	Rating Curve	RWMA Pad Size	Approx Weight (Lbs)
				Tap 1		Tap 2
				Turns Ratio	Volts	Turns Ratio	Volts
170	3.5	650	S	50:1	13.0	N / A	N / A	TDC-7660	7660-1	RC-7660	N / A	53.4
170	3.5	650	S	50:1	13.0	N / A	N / A	TDC-7224	7224-1	RC-7224	N / A	60

MFDC / Inverter Power Supply - SIZE 4

KVA Rating @ 50% Duty Cycle	MFDC Inverter Power Supplies	Volts	Frame Size	Secondary Turns Ratio & Voltage				Model Number	Drawing (PDF)	Rating Curve	RWMA Pad Size	Approx Weight (Lbs)
				Tap 1		Tap 2
				Turns Ratio	Volts	Turns Ratio	Volts
170	4	500	H	50:1	10:1	38:1	13.15	TDC-5441	5441-1	RC-5441	N / A	100
170	4	650	H	68:1	9.55	50:1	13:1	TDC-1078	1010335	1110079	N / A	100
170	4	800	H	84:1	9.52	61:1	13.11	TDC-5620	1010335	1110079	N / A	100

MFDC / Inverter Power Supply - SIZE 6

KVA Rating @ 50% Duty Cycle	MFDC Inverter Power Supplies	Volts	Frame Size	Secondary Turns Ratio & Voltage				Model Number	Drawing (PDF)	Rating Curve	RWMA Pad Size	Approx Weight (Lbs)
				Tap 1		Tap 2
				Turns Ratio	Volts	Turns Ratio	Volts
225	6	500	H	38:1	13.15	N / A	N / A	TDC-7080	7000-1	RC-7000	N / A	110
225	6	650	H	50:1	13:1	N / A	N / A	TDC-7000	7000-1	RC-7000	N / A	110
320	6	500	S	55:1	9.09	38:1	13.15	TDC-5874	5874-1	RC-5874	#2 metric	250
320	6	650	S	72:1	9.02	50:1	13:1	TDC-5876	5874-1	RC-5874	#2 metric	250
320	6	800	S	88:1	9.09	61:1	13.11	TDC-6128	5874-1	RC-5874	#2 metric	250

MFDC / Inverter Power Supply - SIZE 8

KVA Rating @ 50% Duty Cycle	MFDC Inverter Power Supplies	Volts	Frame Size	Secondary Turns Ratio & Voltage				Model Number	Drawing (PDF)	Rating Curve	RWMA Pad Size	Approx Weight (Lbs)
				Tap 1		Tap 2
				Turns Ratio	Volts	Turns Ratio	Volts
400	8	500	B	55:1	9.09	38:1	13.15	TDC-5447	5547-1	RC-5547	#3 metric	435
400	8	650	B	68:1	9.55	50:1	13:1	TDC-5422	5422-1	RC-5422	#3 metric	435