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Product

Transformers for resistance welding

Multi-transformers

Portable transformers

Multi-transformers

Portable transformers

Multi-transformers

Series Features

01
High durability
02
To be mounted on various welding machines
03
45-240kVA in a wealth of lineup
04
The tap changer type can switch the output voltage in two stages.

Series Product Details

Tap changer type

Various downloads

Specification table

Model	Rated capacity (kVA)	Frequency (Hz)	Input voltage (V)	Secondary voltage TAP L	Secondary voltage TAP H	Turn ratio TAP L	Turn ratio TAP H	Weight (kg)	Paint color
WT4T-90-385-*-A	90	50	380	5.8	7.0	65	54	106	OR
WT4T-90-405-*-A	90	50	400	6.1	7.4	65	54	106	OR
WT4T-90-415-*-A	90	50	415	6.3	7.6	65	54	106	OR
WT4T-100-466-*-A	100	60	460	7.0	8.5	65	54	106	OR
WT4T-105-486-*-A	105	60	480	7.3	8.8	65	54	106	OR
WT4T-70-200-*-A	70	50/60	200	6.4	8.0	31	25	106	OR
WT4T-100-386-*-A	100	60	380	6.4	7.9	59	48	100	OR
WT4T-100-406-*-A	100	60	400	6.7	8.3	59	48	100	OR
WT4T-110-446-*-A	110	60	440	7.4	9.1	59	48	100	OR
WT4T-115-385-*-A	115	50	380	7.4	9.0	51	42	126	DG
WT4T-115-405-*-A	115	50	400	7.8	9.5	51	42	126	DG
WT4T-115-415-*-A	115	50	415	8.1	9.8	51	42	126	DG
WT4T-130-466-*-A	130	60	460	9.0	10.9	51	42	126	DG
WT4T-135-486-*-A	135	60	480	9.4	11.4	51	42	126	DG
WT4T-125-386-*-A	125	60	380	8.4	10.0	45	38	119	DG
WT4T-125-406-*-A	125	60	400	8.8	10.5	45	38	119	DG
WT4T-135-446-*-A	135	60	440	9.7	11.5	45	38	119	DG
WT4T-150-385-*-A	150	50	380	9.7	11.5	39	33	142	WH
WT4T-150-405-*-A	150	50	400	10.2	12.1	39	33	142	WH
WT4T-150-415-*-A	150	50	415	10.6	12.5	39	33	142	WH
WT4T-170-466-*-A	170	60	460	11.7	13.9	39	33	142	WH
WT4T-180-486-*-A	180	60	480	12.3	14.5	39	33	142	WH
WT4T-175-386-*-A	175	60	380	10.5	12.6	36	30	134	WH
WT4T-175-406-*-A	175	60	400	11.1	13.3	36	30	134	WH
WT4T-190-446-*-A	190	60	440	12.2	14.6	36	30	134	WH

Tap-less type

Various downloads

Specification table

Model	Rated capacity (kVA)	Frequency (Hz)	Input voltage (V)	Secondary voltage	Turn ratio	Weight (kg)	Paint color
WT4N-115-205-*-A	115	50	200	9.5	21	123	DG
WT4N-125-206-*-A	125	60	200	10.5	19	116	DG
WT4N-150-205-Z-A	150	50	200	11.7	17	140	WH
WT4N-175-206-Z-A	175	60	200	13.3	15	134	WH
WT4N-165-405-A	165	50	400	14.8	27	165	RE
WT4N-200-405-A	200	50	400	16.6	24	187	BK
WT4N-190-406-A	190	60	400	16.6	24	165	RE
WT4N-240-406-A	240	60	400	19.0	21	187	BK

Half type

Various downloads

Specification table

Model	Rated capacity (kVA)	Frequency (Hz)	Input voltage (V)	Secondary voltage TAP 1	Secondary voltage TAP 2	Secondary voltage TAP 3	Secondary voltage TAP 4	Turn ratio TAP 1	Turn ratio TAP 2	Turn ratio TAP 3	Turn ratio TAP 4	Weight (kg)	Paint color
WT4S-45-405-A	45	50	400	5.5	6.1	6.7	7.4	72	65	59	54	76	OR
WT4S-50-406-A	50	60	400	6.0	6.7	7.5	8.3	66	59	53	48	74	OR
WT4S-45-205-A	45	50	200	5.6	6.3	6.9	7.4	36	32	29	27	76	OR
WT4S-50-206-A	50	60	200	6.3	7.1	8.0	8.7	32	28	25	23	74	OR

Portable transformers

Series Features

01
To be used in combination with a portable gun
02
Equipped with two pneumatic circuits and a cooling water circuit. One unit accomodate up to two portable guns.
03
Primary and secondary coils are resin molded, with a long life and high reliability.
04
A lol of variation according to welding target,current and duty cycle

Series Product Details

Timer-integrated portable transformer

Features

Timer decks are not required
Wiring and piping between timer and transformer are not required.
Easy start-up after installation
Cost-reduction by integrating timer and transformer

Specification table

Model	Rated input voltage (V)	Rated Frequency (Hz)	Rated capacity (kVA)	Secondary voltage (V)	Turn ratio	Weight (with two pneumatic pressurization systems) (kg)	Cooling water flow volume (L/min)
PACTHN2-150J	400	50	150	21	19	210	10
PACTHN2-150J	400	60	150	23.5	17	210	10

※Reference value
Kickless cable Cross-sectional area 200mm² Maximal welding current 16,000A in case of length 2.5m
In case of rated frequency 50Hz, maximum input 330kVA permissible duty cycle 9.9%/
In case of rated frequency 60Hz, manimum input 380kVA permissible duty cycle 7.9%

Single phase AC portable transformer

Specification table

Model	Rated input voltage (V)	Rated frequency (Hz)	Rated capacity (kVA)	Secondary voltage (V)	Turn ratio	Weight (with two pneumatic pressurization systems) (kg)	Cooling water flow volume (L/min)
NHAHN-150J	400	50	150	21.0	19	179	6
NHAHN-150J	200	50	150	21.0	9.5	179	6
NHAHN-150J	400	60	150	23.5	17	179	6
NHAHN-150J	200	60	150	23.5	8.5	179	6
NHAH-235	400	50	235	33.3	12	262	6
NHAH-235	200	50	235	33.3	6	262	6
NHAH-235	400	60	235	36.4	11	262	6
NHAH-235	200	60	235	36.4	5.5	262	6

※Reference value
NHAHN-150J… kickless cable cross-sectional area 200mm², max. welding current 16,000A in case of length 2.5m
In case of rated frequency 50Hz, maximum input 330kVA permissible duty cycle 9.9%/
In case of rated frequency 60Hz, manimum input 380kVA permissible duty cycle 7.9%
NHAH-235… kickless cable cross-sectional area 200mm², max. welding current 22,000A in case of length 2.5m
In case of rated frequency 50Hz, maximum input 735kVA permissible duty cycle 5.1%/
In case of rated frequency 60Hz, manimum input 800kVA permissible duty cycle 4.3%

Single-phase rectifying portable transformer

Features

Reduction of power source facilities by reducing the max. power and improving the power factor compared with the AC type

Specification table

Model	Rated input voltage (V)	Rated frequency (Hz)	Rated capacity (kVA)	Secondary voltage (V)	Turn ratio	Weight (with two pneumatic pressurization systems) (kg)	Cooling water flow vplume (L/min)
NRHAH-115	400	50/60	115	DC15.8	23	190	10
NRHAH-115	200	50/60	115	DC15.8	11.5	190	10

※Reference value
In case of single-wire reciprocating cable cross-sectional area 200mm² and length 3.0m Max. welding current 15,000A maximum input 265kVA permissible duty cycle 9.7%

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