Leviton B3277-YB B Series Type 2 Surge Protective Device, 480Y/277V AC, Three Phase WYE
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
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Key Features
- Protects critical security, surveillance and IT systems from damaging transients to reduce downtime and costly equipment replacement
- Handles high-energy events with 65kA per mode / 130kA per phase surge capacity to safeguard panels and downstream devices
- NEMA 4X-rated enclosure and 200kA SCCR for dependable protection in harsh indoor/outdoor and industrial environments
- LED status indicators and audible alarm provide fast, on-site fault detection and simplified maintenance
- Thermally protected MOVs plus UL 1449 listing and EMI/RFI filtering deliver improved power quality and longer service life
- Backed by a 5-year limited warranty and certifications (UL, CSA, RoHS) for code-compliant installations
Quick Specifications
- Product Model
- B3277-YB
- Brand Name
- Leviton
- Product Name
- Type 2 Surge Protective Device, 480Y/277 VAC, Three Phase WYE
- Product Type
- Surge Protective Device
Explore the details
Product information
B3277-YB
Overview
Reduce downtime and protect your critical infrastructure with the Leviton B3277-YB B Series Type 2 Surge Protective Device. Designed for three-phase WYE systems (480Y/277V AC), this SPD defends security, surveillance, monitoring and IT equipment from destructive transients so cameras, access control, switches and servers stay online. With a robust 65kA per mode (130kA per phase) surge-handling capability and a 200kA SCCR rating, the B3277-YB absorbs large surge events at service entrances and distribution panels without compromising performance.
Housed in a NEMA 4X-rated enclosure, this unit is built for demanding indoor and outdoor installations and features thermally protected MOVs, UL 1449 listing and UL 1283 EMI/RFI filtering to help improve downstream power quality. Integrated LED status monitoring and an audible alarm let technicians quickly verify protection status during routine checks. Ideal for data centers, network closets, surveillance stations and commercial security systems, the Leviton Type 2 SPD provides code-ready, reliable protection. Specify the B3277-YB for your next project or contact our sales team to configure surge protection tailored to your installation.
Features
- Protects critical security, surveillance and IT systems from damaging transients to reduce downtime and costly equipment replacement
- Handles high-energy events with 65kA per mode / 130kA per phase surge capacity to safeguard panels and downstream devices
- NEMA 4X-rated enclosure and 200kA SCCR for dependable protection in harsh indoor/outdoor and industrial environments
- LED status indicators and audible alarm provide fast, on-site fault detection and simplified maintenance
- Thermally protected MOVs plus UL 1449 listing and EMI/RFI filtering deliver improved power quality and longer service life
- Backed by a 5-year limited warranty and certifications (UL, CSA, RoHS) for code-compliant installations
| General Information | |
|---|---|
| Brand Name | Leviton |
| Product Name | Type 2 Surge Protective Device, 480Y/277 VAC, Three Phase WYE |
| Product Type | Surge Protective Device |
| Product Series | B |
| Manufacturer Part Number | B3277-YB |
| Physical Characteristics | |
| Material | PC |
| Power Description | |
| Input Voltage | 277V AC |
| Warranty | |
| Limited Warranty | 5-Year |
| Miscellaneous | |
| Environmental Certification | CSA, NEMA 4X, RoHS, UL |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- B3277-YB
- Manufacturer part:
- B3277-YB
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsLeviton B3277-YB B Series Type 2 Surge Protective Device, 480Y/277V AC, Three Phase WYE
B3277-YB