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General Purpose Transformer (69)
General Purpose Enclosed Control Transformer (2)
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Commercial Potted Transformer (30)
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Buck Boost Autotransformers and Low Voltage Lighting Transfomers (8)
Machine Tool Industrial Control Transformer (23)
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: 600, 575, 550 V (1)
240X480 V (11)
347/380 V (1)
277 V (6)
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240X480, 230x460, 220x440 V (20)
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: Rugged potted construction for use in harsh environments comes standard with ABS(American Bureau of Ships) and Class 1, Div. II, Groups A, B, C and D ratings and a North American Temperature Classification of T3C (3)
Innovative potted design provides single screw access on a hinged cover to the wiring compartment for commercial indoor and outdoor applications (27)
Fuse Holder options (2)
Innovative design showcases a unique blend of performance and economy to protect your VFD, motor, capacitors and electrical system from harmonics, damage and nuisance tripping. (12)
Combines a primary disconnect, shielded single phase transformer and output panel board in one system for easy, lockable installation in indoor or outdoor locations. (1)
Encapsulated transformers can be used to buck and boost voltage in single and three phase applications where supply voltages are frequently above or below nominal. These transformers can also be used in low voltage transformer application. (8)
Control transformer for stanard commercial loads without high current inrush, optional finger safe covers are available. (17)
Potted control transformer for high inrush applications powering coils. Options include finger safe cover and an innovative fuse holder system. (23)
Meets current DOE 10 CFR part 431 (2016) and C802.2 efficiencies in an outdoor type enclosure. Smaller kVA sizes have standard input and/or output lugs, knockouts, and wall mounting brackets to save installation costs. (74)
Add fingersafe covers or terminal blocks (3)
: 12.13 IN (3)
4.3 in (1)
28.75 in (10)
11.13 in (2)
82 in (1)
0.38 in (1)
3.81 in (3)
44.5 in (8)
3.4 IN (3)
38 in (1)
: FS-N1 - Indoor (2)
NQ4-N3R - Indoor or Outdoor (6)
NQ0-N3R - Indoor or Outdoor (3)
NH3-N3R - Indoor or Outdoor (4)
DH2-N3R - Indoor or Outdoor (13)
DH1-N3R - Indoor or Outdoor (11)
Contact HPS (7)
NH5-N3R - Indoor or Outdoor (6)
DH6-N3R - Indoor or Outdoor (2)
NQ6A-N3R - Indoor or Outdoor (2)
: 0.5 kVA (2)
1000 (1)
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3 KVA (4)
: Convection cooled (90)

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HAMPS SG3D0112BD

Part #HAMPS SG3D0112BD TRANSFORMER 3PH 112.5KVA 208V-240V 60HZ AL

MFG #SG3D0112BD

1 in Stock. More available 03/05/2026

CALL FOR PRICE

QTY

U/M

HAMPS SG3A0112KB

Part #HAMPS SG3A0112KB 112.5KVA 3PH 480 120/208V NEMA3R ALUM-WOUND TRANSFORMER HPS, SG3A0112KB, Distribution Transformer, Energy Efficient General Purpose, Series: SentinelÂ® G, 480 Delta VAC Primary, 208Y/120 VAC Secondary, 112.5 kVA Power, 60 H

MFG #SG3A0112KB

7 in Stock. More available 03/05/2026

$9896.45/BX

QTY

U/M

HAMPS SG3A0150KB

Part #HAMPS SG3A0150KB 150KVA 3PH 480V 120/208V NEM3R ALUM-WOUND TRANSFORMER HPS, SG3A0150KB, Distribution Transformer, Energy Efficient General Purpose, Series: SentinelÂ® G, 480 Delta VAC Primary, 208Y/120 VAC Secondary, 150 kVA Power, 60 Hz Fr

MFG #SG3A0150KB

1 in Stock. More available 03/05/2026

$12269.84/BX

QTY

U/M

HAMPS DW3

Part #HAMPS DW3 WALL OR CEILING MOUNT BRACKET FOR CASE STYLE DH3 TRANSFORMERS HPSÂ® Mounting Kit

MFG #DW3

3 in Stock. More available 03/05/2026

$435.14/BX

QTY

U/M

HAMPS C1F1C0LES

Part #HAMPS C1F1C0LES 1KVA 1PH 240X480 120/240V NEMA3R ENCAPSULATED TRANSFORMER HPS, C1F1C0LES, Distribution Transformer, Commercial Potted, Series: Fortressâ¢, 240/480 VAC Primary, 120/240 VAC Secondary, 1 kVA Power, 60 Hz Frequency, 1 ph,

MFG #C1F1C0LES

1 in Stock. More available 03/05/2026

$333.07/EA

QTY

HAMPS PH100MQMJ

Part #HAMPS PH100MQMJ CNTL 100VA 240X480-120X240 HPS, PH100MQMJ, Control Transformer, Industrial Molded Open Style, Series: ImperatorÂ®, 120/240 VAC Secondary, 100 VA Power, 50/60 Hz Frequency, 1 ph, 0.83/0.42 A Maximum, Screw Connection, Panel M

MFG #PH100MQMJ

$106.31/EA

QTY

HAMPS SG3A0225KB

Part #HAMPS SG3A0225KB 225KVA 3PH 480V 120/208V NEMA3R ALUM-WOUND TRANSFORMER HPS, SG3A0225KB, Distribution Transformer, Energy Efficient General Purpose, Series: SentinelÂ® G, 480 Delta VAC Primary, 208Y/120 VAC Secondary, 225 kVA Power, 60 Hz F

MFG #SG3A0225KB

3 in Stock. More available 03/05/2026

$18479.97/BX

QTY

U/M

HAMPS Y015QTCF3L0U

Part #HAMPS Y015QTCF3L0U 15KVA 208Y/240Y/400Y/480Y NTERMINAL W/NEUTRAL AUTOTRANSFORMER HPS Y Series Autotransformer Auto Transformer, Convection Cooled Encapsulated, 600Y/480Y/400Y/240Y/208Y VAC Primary, 600Y/480Y/400Y/240Y/208Y VAC Secondary, 15 kVA Power

MFG #Y015QTCF3L0U

5 in Stock. More available 03/05/2026

$2256.28/BX

QTY

U/M

HAMPS SG3A0015KB0CFC3

Part #HAMPS SG3A0015KB0CFC3 D16 SNTL-G 3PH 15KVA 480D-208Y/120V CU 60HZ 115C 3R -3DB HPS, SG3A0015KB0CFC3, Distribution Transformer, Dry Type Energy Efficient General Purpose, Series: SentinelÂ® G, 480 Delta VAC Primary, 208Y/120 VAC Secondary, 1

MFG #SG3A0015KB0CFC3

HAMPS SG3K0015KB

Part #HAMPS SG3K0015KB 1PH 15KVA 480V-208V 60HZ AL

MFG #SG3K0015KB

1 in Stock. More available 03/05/2026

$3378.85/EA

QTY

HAMPS SG3A0030KB

Part #HAMPS SG3A0030KB 30KVA 3PH 480V 120/208V ALUM-WOUND TRANSFORMER NEMA3R HPS, SG3A0030KB, Distribution Transformer, Energy Efficient General Purpose, Series: SentinelÂ® G, 480 Delta VAC Primary, 208Y/120 VAC Secondary, 30 kVA Power, 60 Hz Fre

MFG #SG3A0030KB

6 in Stock. More available 03/05/2026

$3679.88/BX

QTY

U/M

HAMPS SG3C0045KD

Part #HAMPS SG3C0045KD 45KVA 3PH 480 240D WITH 5%-120V TAP ALUM-WOUND TRANSFORMER NEMA3R HPS, SG3C0045KD, Distribution Transformer, Energy Efficient General Purpose, Series: SentinelÂ® G, 480 Delta VAC Primary, 240 Delta VAC/120 VAC Secondary, 45

MFG #SG3C0045KD

5 in Stock. More available 03/05/2026

$4217.09/BX

QTY

U/M

HAMPS C1F003LES

Part #HAMPS C1F003LES 3KVA 1PH 240X480 120/240V NEMA3R ENCAPSULATED TRANSFORMER HPS, C1F003LES, Distribution Transformer, Commercial Potted, Series: Fortressâ¢, 240/480 VAC Primary, 120/240 VAC Secondary, 3 kVA Power, 60 Hz Frequency, 1 ph,

MFG #C1F003LES

2 in Stock. More available 03/05/2026

$688.70/EA

QTY

HAMPS QC75LEKB

Part #HAMPS QC75LEKB POTTED 1PH 0.75KVA 480-240 CU HPS, QC75LEKB, Distribution Transformer, Hazardous Location Encapsulated, Series: TitanÂ®, 240/480 VAC Primary, 120/240 VAC Secondary, 0.75 kVA Power, 60 Hz Frequency, 1 ph, Lead Wire/Tab Connect

MFG #QC75LEKB

$349.40/EA

QTY

HAMPS QC15ESCB

Part #HAMPS QC15ESCB BK 1PH 0.15KVA 240-32 CU HPS, QC15ESCB, Buck Boost Transformer, Dry Type Encapsulated Low Voltage, Series: Universalâ¢, 120 x 240 VAC Primary, 16 x 32 VAC Secondary, 0.15 kVA Power, 50/60 Hz Frequency, 1 ph, Copper Tab/

MFG #QC15ESCB

1 in Stock. More available 03/05/2026

$298.69/BX

QTY

U/M

HAMPS PH50MBMH

Part #HAMPS PH50MBMH CNTL 50VA 120/240-120/240 HPS, PH50MBMH, Control Transformer, Industrial Molded Open Style, Series: ImperatorÂ®, 240/480/600 VAC Primary, 100/120 VAC Secondary, 50 VA Power, 50/60 Hz Frequency, 1 ph, 0.43 A Maximum, Screw Con

MFG #PH50MBMH

$110.61/EA

QTY

HAMPS SG3D0112BD

Part #HAMPS SG3D0112BD TRANSFORMER 3PH 112.5KVA 208V-240V 60HZ AL

MFG #SG3D0112BD

1 in Stock. More available 03/05/2026

CALL FOR PRICE

QTY

U/M