Buck Boost Transformer
Buck-boost transformers shift line voltage up or down by a narrow margin, typically five to twenty percent, bringing a supply into the range the equipment was built for. Electricians drop one in when a 208-volt supply has to feed 230-volt equipment, when a long run has sagged the voltage at the far end of a line, or when replacing a whole transformer costs far more than correcting a few percent.
As an authorized electrical distributor for multiple manufacturers, we stock buck-boost transformers from Acme Electric, Hammond Power Solutions, ABB and more across competing lines, in single and three-phase with a range of enclosure types and frequency ratings, so you can match the voltage shift the load needs, compare enclosure ratings and dimensions across brands, and mount one in the space the panel has. Same-day shipping on in-stock items ordered before 2pm local time.
86 items
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SKU #:2467505
Part Number #:9T51B0108
Type: Type QB Dry Encapsulated Enclosed Small Standard
$984.13 / EA
Typical price:$1318.74 / EA
SKU #:2467504
Part Number #:9T51B0109
Type: Type QB Dry Encapsulated Enclosed Small Standard
Circuit type: 12200 Frame
$1266.67 / EA
Typical price:$1697.34 / EA
SKU #:2431997
Part Number #:9T51B0210
Dimensions: 7.88 in W x 9.62 in H
Enclosure Type: NEMA 3R
Frequency Rating: 60 Hz
$2125.55 / EA
Typical price:$2848.24 / EA
$241.85 / EA
Typical price:$490.51 / EA
SKU #:1262
Part Number #:T181047
Insulation: Class B/130 deg C
Maximum Amperage Rating: 4.16 A at 12 V/2.08 A at 24 V Output
Type: Encapsulated Core and Coil Isolation
$146.31 / EA
Typical price:$296.73 / EA
SKU #:2210051
Part Number #:T181048
Insulation: Class B/130 deg C
Maximum Amperage Rating: 8.32 A at 12 V/4.16 A at 24 V Output
$171.01 / EA
Typical price:$346.85 / EA
SKU #:2240314
Part Number #:T181049
Insulation: Class B/130 deg C
Maximum Amperage Rating: 12.52 A at 12 V/6.25 A at 24 V Output
$183.01 / EA
Typical price:$371.18 / EA
SKU #:2210052
Part Number #:T181054
Maximum Amperage Rating: 3.12/1.56 A
$169.19 / EA
Typical price:$343.16 / EA
SKU #:2210053
Part Number #:T181055
Maximum Amperage Rating: 6.25/3.12 A
$203.96 / EA
Typical price:$413.66 / EA
SKU #:2238496
Part Number #:T181056
Maximum Amperage Rating: 9.38/4.69 A
$225.99 / EA
Typical price:$458.34 / EA
SKU #:2253379
Part Number #:T181061
Maximum Amperage Rating: 2.08/1.04 A
$175.69 / EA
Typical price:$356.34 / EA
SKU #:2209760
Part Number #:T181062
Maximum Amperage Rating: 4.16/2.08 A
$217.76 / EA
Typical price:$441.66 / EA
SKU #:2238497
Part Number #:T181063
Maximum Amperage Rating: 6.24/3.12 A
$249.14 / EA
Typical price:$505.30 / EA
$3656.88 / EA
Typical price:$7416.76 / EA
SKU #:2442566
Part Number #:70037483
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442568
Part Number #:70037486
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442569
Part Number #:70037496
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442572
Part Number #:70037509
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442573
Part Number #:70037514
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442574
Part Number #:70037516
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soon$9.97 / EA
Typical price:$15.74 / EA
SKU #:2351353
Part Number #:Q002DTCF
$954.79 / EA
Typical price:$1168.00 / EA
$954.79 / EA
Typical price:$1168.00 / EA
SKU #:2298181
Part Number #:Q003DTCF
$1193.49 / EA
Typical price:$1460.00 / EA
SKU #:2197978
Part Number #:Q1C0DTCB
$478.22 / EA
Typical price:$585.00 / EA
SKU #:2345955
Part Number #:Q1C5DTCF
$752.89 / EA
Typical price:$921.00 / EA
SKU #:2232073
Part Number #:Q1C5ERCF
$680.95 / EA
Typical price:$833.00 / EA
SKU #:2254850
Part Number #:QC05ESCB
$231.35 / EA
Typical price:$283.00 / EA
SKU #:2467505
Part Number #:9T51B0108
Type: Type QB Dry Encapsulated Enclosed Small Standard
$984.13 / EA
Typical price:$1318.74 / EA
SKU #:2467504
Part Number #:9T51B0109
Type: Type QB Dry Encapsulated Enclosed Small Standard
Circuit type: 12200 Frame
$1266.67 / EA
Typical price:$1697.34 / EA
SKU #:2431997
Part Number #:9T51B0210
Dimensions: 7.88 in W x 9.62 in H
Enclosure Type: NEMA 3R
Frequency Rating: 60 Hz
$2125.55 / EA
Typical price:$2848.24 / EA
$241.85 / EA
Typical price:$490.51 / EA
SKU #:1262
Part Number #:T181047
Insulation: Class B/130 deg C
Maximum Amperage Rating: 4.16 A at 12 V/2.08 A at 24 V Output
Type: Encapsulated Core and Coil Isolation
$146.31 / EA
Typical price:$296.73 / EA
SKU #:2210051
Part Number #:T181048
Insulation: Class B/130 deg C
Maximum Amperage Rating: 8.32 A at 12 V/4.16 A at 24 V Output
$171.01 / EA
Typical price:$346.85 / EA
SKU #:2240314
Part Number #:T181049
Insulation: Class B/130 deg C
Maximum Amperage Rating: 12.52 A at 12 V/6.25 A at 24 V Output
$183.01 / EA
Typical price:$371.18 / EA
SKU #:2210052
Part Number #:T181054
Maximum Amperage Rating: 3.12/1.56 A
$169.19 / EA
Typical price:$343.16 / EA
SKU #:2210053
Part Number #:T181055
Maximum Amperage Rating: 6.25/3.12 A
$203.96 / EA
Typical price:$413.66 / EA
SKU #:2238496
Part Number #:T181056
Maximum Amperage Rating: 9.38/4.69 A
$225.99 / EA
Typical price:$458.34 / EA
SKU #:2253379
Part Number #:T181061
Maximum Amperage Rating: 2.08/1.04 A
$175.69 / EA
Typical price:$356.34 / EA
SKU #:2209760
Part Number #:T181062
Maximum Amperage Rating: 4.16/2.08 A
$217.76 / EA
Typical price:$441.66 / EA
SKU #:2238497
Part Number #:T181063
Maximum Amperage Rating: 6.24/3.12 A
$249.14 / EA
Typical price:$505.30 / EA
$3656.88 / EA
Typical price:$7416.76 / EA
SKU #:2442566
Part Number #:70037483
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442568
Part Number #:70037486
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442569
Part Number #:70037496
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442572
Part Number #:70037509
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442573
Part Number #:70037514
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soonSKU #:2442574
Part Number #:70037516
Fast Delivery Est.Nov 2 - Nov 6
Ships Same Day
Only 1 left in stock order soon$9.97 / EA
Typical price:$15.74 / EA
SKU #:2351353
Part Number #:Q002DTCF
$954.79 / EA
Typical price:$1168.00 / EA
$954.79 / EA
Typical price:$1168.00 / EA
SKU #:2298181
Part Number #:Q003DTCF
$1193.49 / EA
Typical price:$1460.00 / EA
SKU #:2197978
Part Number #:Q1C0DTCB
$478.22 / EA
Typical price:$585.00 / EA
SKU #:2345955
Part Number #:Q1C5DTCF
$752.89 / EA
Typical price:$921.00 / EA
SKU #:2232073
Part Number #:Q1C5ERCF
$680.95 / EA
Typical price:$833.00 / EA
SKU #:2254850
Part Number #:QC05ESCB
$231.35 / EA
Typical price:$283.00 / EA











