Browse Store Bus Plugs
Note: Our website may not reflect our full in-stock inventory. If you don’t see what you need, call 1-800-328-1842 for a real-time inventory check and options. “Contact us for price” simply means we’ll quote it to confirm configuration and current pricing - not that it’s out of stock.
SLEC440450ED4 Siemens Bus Plug
Siemens SLEC440450ED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440450ED4
Contact us for pricing:
SLEC440450GED4 Siemens Bus Plug
Siemens SLEC440450GED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440450GED4
Contact us for pricing:
SLEC440450GHED4 Siemens Bus Plug
Siemens SLEC440450GHED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440450GHED4
Contact us for pricing:
SLEC440450HED4 Siemens Bus Plug
Siemens SLEC440450HED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440450HED4
Contact us for pricing:
SLEC440450IGED4 Siemens Bus Plug
Siemens SLEC440450IGED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440450IGED4
Contact us for pricing:
SLEC440450IGHED4 Siemens Bus Plug
Siemens SLEC440450IGHED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440450IGHED4
Contact us for pricing:
SLEC440454ED4 Siemens Bus Plug
Siemens SLEC440454ED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440454ED4
Contact us for pricing:
SLEC440454GED4 Siemens Bus Plug
Siemens SLEC440454GED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440454GED4
Contact us for pricing:
SLEC440454GHED4 Siemens Bus Plug
Siemens SLEC440454GHED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440454GHED4
Contact us for pricing:
SLEC440454HED4 Siemens Bus Plug
Siemens SLEC440454HED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440454HED4
Contact us for pricing:
SLEC440454IGED4 Siemens Bus Plug
Siemens SLEC440454IGED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440454IGED4
Contact us for pricing:
SLEC440454IGHED4 Siemens Bus Plug
Siemens SLEC440454IGHED4 Sentron low-amp breaker style bus plug; 45 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440454IGHED4
Contact us for pricing:
SLEC440500ED4 Siemens Bus Plug
Siemens SLEC440500ED4 Sentron low-amp breaker style bus plug; 50 amp, 480 volt, four-wire. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440500ED4
Contact us for pricing:
SLEC440500GED4 Siemens Sentron Low-Amp Breaker Busplug R&G
Siemens SLEC440500GED4 Sentron ED frame low-amp breaker style bus plug; 50 amp, 480 volt, three phase, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440500GED4
Contact us for pricing:
SLEC440500GHED4 Siemens Bus Plug
Siemens SLEC440500GHED4 Sentron low-amp breaker style bus plug; 50 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440500GHED4
Contact us for pricing:
SLEC440500HED4 Siemens Bus Plug
Siemens SLEC440500HED4 Sentron low-amp breaker style bus plug; 50 amp, 480 volt, four-wire. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440500HED4
Contact us for pricing:
SLEC440500IGED4 Siemens Sentron Low-Amp Breaker Busplug R&G
Siemens SLEC440500IGED4 Sentron ED frame low-amp breaker style bus plug; 50 amp, 480 volt, three phase, four-wire with isolated ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440500IGED4
Contact us for pricing:
SLEC440500IGHED4 Siemens Bus Plug
Siemens SLEC440500IGHED4 Sentron low-amp breaker style bus plug; 50 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440500IGHED4
Contact us for pricing:
SLEC440504ED4 Siemens Bus Plug
Siemens SLEC440504ED4 Sentron low-amp breaker style bus plug; 50 amp, 480 volt, four-wire. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440504ED4
Contact us for pricing:
SLEC440504GED4 Siemens Bus Plug
Siemens SLEC440504GED4 Sentron low-amp breaker style bus plug; 50 amp, 480 volt, four-wire with ground. Reconditioned and guaranteed with a one year warranty.
SKU: SLEC440504GED4
Contact us for pricing:
Find. Fix. Fast. When you need an exact match, EMSCO is built for one thing: getting you the right bus plug quickly—especially when it’s obsolete, oddball, or “not available” anywhere else.
Shop by Family | Speed Up the Match | Request a Quote
Real inventory, real answers: The website is a strong snapshot, but not our full shelf. New product arrives daily. If you see “Contact us for price”, it simply means we’ll quote it to confirm configuration and current pricing—not that it’s out of stock.
Need it now? Call our 24-hour emergency line: 1-800-328-1842.
Shop by family (quick start)
If you already know your system, use the Series filter above to narrow fast. These are the families we see most often for replacements and “keep it running” calls:
- I-Line (I / II)
- Pow-R-Way & Pow-R-Way III
- Sentron (standard & low-amp)
- Spectra (SB & low-amp)
- Armor-Clad & FVK
- XJ-L family (XLU / XLX / XLVB)
- CP2 / CP4
- Round Bar (SD type)
- ZTAP
Not sure what you have? That’s normal—Skip the guesswork and send photos (details below). We’ll confirm before you buy.
What you can source here (fast)
- Breaker and fusible styles
- 3- and 4-wire, with and without ground
- Common industrial voltages (including 240, 480, 600)
- Broad range coverage (often 10–5000A and 90–600V, depending on family)
- Replacement fuses and circuit breakers to complete the job
How EMSCO helps you win the day
- Legacy and obsolete systems are our niche: We regularly support Square D, GE, Cutler-Hammer/Westinghouse, Siemens/ITE, Eaton, and other older lines that are hard to source.
- Refurb you can trust: Reconditioned units are inspected and tested and backed by a 1-year warranty.
- Fast match help (with a human): When details matter—stabs, wire/ground, breaker frame, voltage—we help you confirm the exact fit.
Speed up the match (photos work)
If you want the fastest “yes, that’s the one,” send what you have. Even incomplete info is fine.
- Part number(s) and series name (if visible)
- Amperage and voltage
- Wire/ground configuration
- Photos of the nameplate/labels and the stabs/connection points (plus a side/profile shot)
Pro tip: Two clear photos beat a long email. If you can send a nameplate and a close-up of the stabs/connection, we can usually narrow it down quickly.
Refurbished standards (what “R&G” means here)
- Inspected for condition and configuration
- Cleaned and checked for safe, reliable operation
- Tested and backed by a 1-year warranty
Avoid the wrong order
- Series matters: similar-looking plugs can be different families.
- Wire/ground matters: 3-wire vs 4-wire (and ground) changes the fit.
- Style matters: breaker vs fusible, plus breaker frame specifics.
Completing the job (not just the plug)
If you’re expanding a line or finishing a run, we can help you source the related pieces that keep the project moving. See Bus Duct and Tap Boxes & Accessories.
Need it now? Call our 24-hour emergency line: 1-800-328-1842 or request a quote.
Looking for basics? Read our bus plug overview.