Verified
Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
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Fusible Bus Plug
Siemens | UV321 | Fusible Bus Plug | 30A | 3-Pole | 240V
| Part Number | UV321 |
| Amperes | 30 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | Fusible Bus Plug |
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Siemens | UV321 | Fusible Bus Plug | 30A | 3-Pole | 240V
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
Siemens UV321 Fusible Bus Plug delivers reliable, plug-in protection for three-phase electrical distributions. With a 30A rating, 3 poles, and a 240V operating envelope, this bus plug is tailored for maintenance, retrofit, and replacement tasks where exact specifications matter. Identified by part number UV321, it’s the clearest reference for compatibility and a quick way to ensure you’re selecting the correct component the first time.
Key specifications
- Amperage: 30A
- Poles: 3-Pole
- Voltage: 240V
- Part number: UV321
What makes this fusible bus plug stand out
- Designed to align precisely with Siemens panels and systems that require the UV321 reference, reducing downtime caused by fit issues.
- Fusible protection integrated in a plug-style format, enabling quick isolation for safe maintenance of circuits.
- Three-pole configuration supports three-phase layouts, preserving original bus-bar topology during retrofit or replacement.
Ideal use scenarios
- Maintenance: swap in a known-good UV321 to restore service when a fuse element has degraded or failed.
- Retrofit: upgrade or adapt a panel to a 30A, 3-Pole, 240V protection scheme without altering the bus architecture.
- Replacement: replace a worn or mismatched bus plug with the exact UV321 reference to maintain system integrity.
Compatibility and ordering guidance
Before purchasing, confirm fit and ratings match your panel requirements. The part number UV321 is the best reference for compatibility, helping you avoid mismatches in critical protection components.
Practical tips for installation and handling
- Inspect panel labeling and service documentation to verify that a UV321 30A, 3-Pole, 240V bus plug is the correct choice for your distribution circuit.
- Handle with appropriate PPE and ensure the main power is isolated before performing any retrofits or replacements.
- Keep a spare UV321 on hand as part of your preventive maintenance kit to minimize downtime during routine service windows.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Packaging was secure and the item arrived clean and ready for installation.
Electrical contractor · GTA
Verified
We’ve used this type on multiple jobs and it’s been reliable so far.
Panel shop · Canada/US
