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Feels well-built and suitable for everyday plant and maintenance use.
Facilities · Manufacturing
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Circuit Breaker
Siemens | JL3B350 | Circuit Breaker | 350A | 3-Pole | 600V | Bolt-On
| Part Number | JL3B350 |
| Amperes | 350 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
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 | JL3B350 | Circuit Breaker | 350A | 3-Pole | 600V | Bolt-On
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
Meet the Siemens JL3B350 Circuit Breaker — a robust, three-pole protection device engineered for demanding industrial panels. Rated at 350A and 600V, this bolt-on breaker is ideal for maintenance, retrofit, and replacement projects where exact specs matter. The JL3B350 is the go-to choice when you need reliable, field-ready protection that aligns with existing Siemens architectures.
Why this 3-Pole, 350A, 600V bolt-on breaker stands out
- Bolt-On mounting for secure, fast installation: reduces install time and ensures solid electrical contact without special tools.
- Three-pole protection: provides simultaneous protection for all phases in a three-phase system, helping prevent unbalanced loads and faults.
- High-current capability: 350A rating supports heavy-duty circuits common in industrial equipment and distribution panels.
- 600V insulation and compatibility: suited for standard industrial distribution networks, with clear part-number-based compatibility references.
- Part number JL3B350 as the best reference: use this identifier to verify fit with your panel, simplifying cross-references during ordering.
Perfect for maintenance, retrofit, and replacement
Whether you’re upgrading an older panel, refreshing aging protection, or stocking up for planned maintenance, the JL3B350 delivers dependable circuit protection when you need it most. Its Siemens lineage means predictable performance and compatibility with Siemens-controlled infrastructure, reducing the risk of mismatched components during critical outages.
Who benefits most
- Facilities engineers and maintenance teams upgrading three-phase panels
- Service contractors performing on-site retrofits or replacements
- OEMs integrating Siemens protection in custom electrical assemblies
Practical notes for safe, effective use
- Notes: Confirm fit and ratings before ordering. The part number JL3B350 is the best reference for compatibility.
- Before installation, verify the panel’s data sheet and ensure the bolt-on mounting aligns with your enclosure.
- Plan for proper torque and clearance to maintain safe operation and reliable tripping performance.
- Keep a spare JL3B350 on hand for planned maintenance to minimize downtime.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Lead time was reasonable and the part matched expectations when it arrived.
Procurement · Ontario
Verified
Good value for industrial use. Customers mention easy installation.
Service tech · Field work
