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300 Series Power Transformers - Industrial

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Power Rating	Primary Voltage Rating	Secondary Voltage Rating	Mounting Style	Secondary Current Rating	Primary Winding	Secondary Winding	Length	Width	Height	Termination Style	Type	Series
Power Transformers - Industrial Transformer, high voltage & filament, 66VA, 500V C.T. @ 81ma., 300 Series 370CAX Hammond Manufacturing 1: $136.03 6In Stock	Mfr. Part No. 370CAX Mouser Part No 546-370CAX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 66VA, 500V C.T. @ 81ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	6In Stock	$136.03 $122.95 $118.87 $114.89 View $114.10 Quote	Min.: 1 Mult.: 1	66 VA	100 VAC to 240 VAC	500 VAC CT	Chassis	81 mA	Dual Primary Winding	Triple Secondary Winding	82.55 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 280VA, 800V C.T. @ 288ma., 300 Series 300BX Hammond Manufacturing 1: $259.19 32In Stock	Mfr. Part No. 300BX Mouser Part No 546-300BX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 280VA, 800V C.T. @ 288ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	32In Stock	$259.19 $241.08 $230.23	Min.: 1 Mult.: 1	280 VA	100 VAC to 240 VAC	800 VAC CT	Chassis	288 mA	Dual Primary Winding	Triple Secondary Winding	127 mm	95.25 mm	115.8 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 198VA, 600V C.T. @ 230ma., 300 Series 302AX Hammond Manufacturing 1: $200.35 12In Stock	Mfr. Part No. 302AX Mouser Part No 546-302AX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 198VA, 600V C.T. @ 230ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	12In Stock	$200.35 $197.59 $180.67 $176.30 View Quote	Min.: 1 Mult.: 1	198 VA	100 VAC to 240 VAC	600 VAC CT	Chassis	230 mA	Dual Primary Winding	Quinary Secondary Winding	101.6 mm	95.25 mm	115.8 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 40VA, 250V C.T. @ 115ma., 300 Series 369AX Hammond Manufacturing 1: $114.94 15In Stock	Mfr. Part No. 369AX Mouser Part No 546-369AX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 40VA, 250V C.T. @ 115ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	15In Stock	$114.94 $102.59 $96.21 $93.72 View $91.68 Quote	Min.: 1 Mult.: 1	40 VA	100 VAC to 240 VAC	250 VAC CT	Chassis	115 mA	Dual Primary Winding	Dual Secondary Winding	69.85 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 50VA, 500V C.T. @ 69ma., 300 Series 369JX Hammond Manufacturing 1: $117.32 17In Stock	Mfr. Part No. 369JX Mouser Part No 546-369JX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 50VA, 500V C.T. @ 69ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	17In Stock	$117.32 $108.83 $98.37 $95.86 View $93.70 Quote	Min.: 1 Mult.: 1	50 VA	100 VAC to 240 VAC	500 VAC CT	Chassis	69 mA	Dual Primary Winding	Dual Secondary Winding	69.85 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 150VA, 600V C.T. @ 173ma., 300 Series 372FX Hammond Manufacturing 1: $184.08 94In Stock 1Expected 28/10/2026	Mfr. Part No. 372FX Mouser Part No 546-372FX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 150VA, 600V C.T. @ 173ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	94In Stock 1Expected 28/10/2026	$184.08 $170.90 $163.20 $157.61 View Quote	Min.: 1 Mult.: 1	150 VA	100 VAC to 240 VAC	600 VAC CT	Chassis	173 mA	Dual Primary Winding	Triple Secondary Winding	107.95 mm	79.5 mm	96.77 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 191VA, 600V C.T. @ 230ma., 300 Series 372HX Hammond Manufacturing 1: $204.88 8In Stock	Mfr. Part No. 372HX Mouser Part No 546-372HX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 191VA, 600V C.T. @ 230ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	8In Stock	$204.88 $179.78 $175.84 $171.90 View Quote	Min.: 1 Mult.: 1	191 VA	100 VAC to 240 VAC	600 VAC CT	Chassis	230 mA	Dual Primary Winding	Triple Secondary Winding	101.6 mm	95.25 mm	115.82 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 465VA, 800V C.T. @ 534ma., 300 Series 378CX Hammond Manufacturing 1: $264.09 6In Stock	Mfr. Part No. 378CX Mouser Part No 546-378CX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 465VA, 800V C.T. @ 534ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	6In Stock	$264.09 $233.92 $228.13	Min.: 1 Mult.: 1	465 VA	100 VAC to 240 VAC	800 VAC CT	Chassis	534 mA	Dual Primary Winding	Dual Secondary Winding	111.3 mm	152.4 mm	139.7 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 237VA, 800V C.T. @ 230ma., 300 Series 378X Hammond Manufacturing 1: $246.96 13In Stock	Mfr. Part No. 378X Mouser Part No 546-378X	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 237VA, 800V C.T. @ 230ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	13In Stock	$246.96 $230.32 $215.63	Min.: 1 Mult.: 1	237 VA	100 VAC to 240 VAC	800 VAC CT	Chassis	230 mA	Dual Primary Winding	Triple Secondary Winding	106.42 mm	95.25 mm	115.82 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 39VA, 300V C.T. @ 86ma., 300 Series 369BX Hammond Manufacturing 1: $114.94 4In Stock	Mfr. Part No. 369BX Mouser Part No 546-369BX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 39VA, 300V C.T. @ 86ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	4In Stock	$114.94 $99.00 $96.32 $93.33 View $90.87 Quote	Min.: 1 Mult.: 1	39 VA	100 VAC to 240 VAC	300 VAC CT	Chassis	86 mA	Dual Primary Winding	Dual Secondary Winding	69.85 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 45VA, 380V C.T. @ 75ma., 300 Series 369EX Hammond Manufacturing 1: $98.13 9In Stock	Mfr. Part No. 369EX Mouser Part No 546-369EX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 45VA, 380V C.T. @ 75ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	9In Stock	$98.13 $86.82 $84.90 $82.91 View Quote	Min.: 1 Mult.: 1	45 VA	100 VAC to 240 VAC	380 VAC CT	Chassis	75 mA	Dual Primary Winding	Dual Secondary Winding	69.85 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 50VA, 450V C.T. @ 75ma., 300 Series 369GX Hammond Manufacturing 1: $114.94 2In Stock	Mfr. Part No. 369GX Mouser Part No 546-369GX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 50VA, 450V C.T. @ 75ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	2In Stock	$114.94 $98.69 $96.02 $93.62 View $91.64 Quote	Min.: 1 Mult.: 1	50 VA	100 VAC to 240 VAC	450 VAC CT	Chassis	75 mA	Dual Primary Winding	Dual Secondary Winding	69.85 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 188VA, 450V C.T. @ 300ma., 300 Series 369KX Hammond Manufacturing 1: $194.76 1In Stock	Mfr. Part No. 369KX Mouser Part No 546-369KX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 188VA, 450V C.T. @ 300ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	1In Stock	$194.76 $171.14 $167.21 $162.74 View Quote	Min.: 1 Mult.: 1	188 VA	100 VAC to 240 VAC	450 VAC CT	Chassis	300 mA	Dual Primary Winding	Triple Secondary Winding	107.95 mm	79.5 mm	96.77 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 86VA, 550V C.T. @ 104ma., 300 Series 370DX Hammond Manufacturing 1: $140.15 5In Stock	Mfr. Part No. 370DX Mouser Part No 546-370DX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 86VA, 550V C.T. @ 104ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	5In Stock	$140.15 $122.96 $118.81 $115.12 View $114.64 Quote	Min.: 1 Mult.: 1	86 VA	100 VAC to 240 VAC	550 VAC CT	Chassis	104 mA	Dual Primary Winding	Triple Secondary Winding	82.55 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 119VA, 550V C.T. @ 144ma., 300 Series 370EX Hammond Manufacturing 1: $153.20 1In Stock	Mfr. Part No. 370EX Mouser Part No 546-370EX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 119VA, 550V C.T. @ 144ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	1In Stock	$153.20 $134.60 $129.93 $126.59 View Quote	Min.: 1 Mult.: 1	119 VA	100 VAC to 240 VAC	550 VAC CT	Chassis	144 mA	Dual Primary Winding	Triple Secondary Winding	95.25 mm	79.5 mm	96.77 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 141VA, 550V C.T. @ 173ma., 300 Series 370FX Hammond Manufacturing 1: $163.58 2In Stock	Mfr. Part No. 370FX Mouser Part No 546-370FX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 141VA, 550V C.T. @ 173ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	2In Stock	$163.58 $143.87 $140.38 $136.32 View Quote	Min.: 1 Mult.: 1	141 VA	100 VAC to 240 VAC	550 VAC CT	Chassis	173 mA	Dual Primary Winding	Triple Secondary Winding	107.95 mm	79.5 mm	96.77 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 229VA, 500V C.T. @ 322ma., 300 Series 370KX Hammond Manufacturing 1: $204.94 2In Stock	Mfr. Part No. 370KX Mouser Part No 546-370KX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 229VA, 500V C.T. @ 322ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	2In Stock	$204.94 $180.68 $176.36 $171.99 View Quote	Min.: 1 Mult.: 1	229 VA	100 VAC to 240 VAC	500 VAC CT	Chassis	322 mA	Dual Primary Winding	Triple Secondary Winding	106.42 mm	95.25 mm	115.82 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 340VA, 550V C.T. @ 460ma., 300 Series 370LX Hammond Manufacturing 1: $255.94 2In Stock	Mfr. Part No. 370LX Mouser Part No 546-370LX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 340VA, 550V C.T. @ 460ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	2In Stock	$255.94 $232.41 $229.65	Min.: 1 Mult.: 1	340 VA	100 VAC to 240 VAC	550 VAC CT	Chassis	460 mA	Dual Primary Winding	Triple Secondary Winding	123.19 mm	111.25 mm	134.62 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 41VA, 480V C.T. @ 46ma., 300 Series 370X Hammond Manufacturing 1: $123.75 1In Stock	Mfr. Part No. 370X Mouser Part No 546-370X	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 41VA, 480V C.T. @ 46ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	1In Stock	$123.75 $108.78 $104.85 $102.11 View $101.75 Quote	Min.: 1 Mult.: 1	41 VA	100 VAC to 240 VAC	480 VAC CT	Chassis	46 mA	Dual Primary Winding	Triple Secondary Winding	69.85 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 127VA, 600V C.T. @ 144ma., 300 Series 372DX Hammond Manufacturing 1: $159.87 7In Stock	Mfr. Part No. 372DX Mouser Part No 546-372DX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 127VA, 600V C.T. @ 144ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	7In Stock	$159.87 $140.05 $136.80 $133.04 View Quote	Min.: 1 Mult.: 1	127 VA	100 VAC to 240 VAC	600 VAC CT	Chassis	144 mA	Dual Primary Winding	Triple Secondary Winding	95.25 mm	79.5 mm	96.77 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 243VA, 600V C.T. @ 288ma., 300 Series 372JX Hammond Manufacturing 1: $213.79 7In Stock	Mfr. Part No. 372JX Mouser Part No 546-372JX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 243VA, 600V C.T. @ 288ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	7In Stock	$213.79 $196.57 $193.95 $192.16 View Quote	Min.: 1 Mult.: 1	243 VA	100 VAC to 240 VAC	600 VAC CT	Chassis	288 mA	Dual Primary Winding	Triple Secondary Winding	114.3 mm	95.25 mm	115.82 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 75VA, 620V C.T. @ 81ma., 300 Series 372X Hammond Manufacturing 1: $141.11 1In Stock	Mfr. Part No. 372X Mouser Part No 546-372X	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 75VA, 620V C.T. @ 81ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	1In Stock	$141.11 $126.47 $122.90 $119.66 View $118.40 Quote	Min.: 1 Mult.: 1	75 VA	100 VAC to 240 VAC	620 VAC CT	Chassis	81 mA	Dual Primary Winding	Triple Secondary Winding	82.55 mm	63.5 mm	77.72 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 49VA, 650V C.T. @ 46ma., 300 Series 373AZ Hammond Manufacturing 1: $151.56 1In Stock	Mfr. Part No. 373AZ Mouser Part No 546-373AZ	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 49VA, 650V C.T. @ 46ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	1In Stock	$151.56 $133.65 $128.82 $125.46 View Quote	Min.: 1 Mult.: 1	49 VA	100 VAC to 240 VAC	650 VAC CT	Chassis	46 mA	Dual Primary Winding	Triple Secondary Winding	71.37 mm	63.5 mm	87.63 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 369VA, 700V C.T. @ 403ma., 300 Series 373HX Hammond Manufacturing 1: $295.96 1In Stock 3Expected 28/10/2026	Mfr. Part No. 373HX Mouser Part No 546-373HX	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 369VA, 700V C.T. @ 403ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	1In Stock 3Expected 28/10/2026	$295.96 $268.67	Min.: 1 Mult.: 1	369 VA	100 VAC to 240 VAC	700 VAC CT	Chassis	403 mA	Dual Primary Winding	Triple Secondary Winding	142.24 mm	111.25 mm	134.62 mm	Wire Leads	High Voltage, Plate & Filament	300
Power Transformers - Industrial Transformer, high voltage & filament, 125VA, 700V C.T. @ 127ma., 300 Series 373X Hammond Manufacturing 1: $177.66 2In Stock	Mfr. Part No. 373X Mouser Part No 546-373X	Hammond Manufacturing	Power Transformers - Industrial Transformer, high voltage & filament, 125VA, 700V C.T. @ 127ma., 300 Series Learn More about Hammond Manufacturing hammond high voltage power transformers	Datasheet	2In Stock	$177.66 $155.83 $152.28 $148.11 View Quote	Min.: 1 Mult.: 1	125 VA	100 VAC to 240 VAC	700 VAC CT	Chassis	127 mA	Dual Primary Winding	Triple Secondary Winding	95.25 mm	79.5 mm	96.77 mm	Wire Leads	High Voltage, Plate & Filament	300