Siemens Q350 50A 3-Pole Plug-In QP Circuit Breaker
Siemens Q350 50A breaker provides reliable 3-pole protection for Siemens/ITE load centers, offering durable thermal-magnetic performance with plug-in QP design.
Detailed Overview
Siemens Q350 50A 3-Pole Plug-In Circuit Breaker
The Siemens Q350 is a thermal-magnetic, 50-amp circuit breaker designed to deliver dependable protection for electrical distribution systems. As part of the QP series, it offers consistent performance within Siemens and ITE load centers, supporting both residential and commercial applications where reliable overcurrent protection is essential.
Why It Helps
This breaker combines thermal-magnetic trip technology with a sturdy plug-in design, ensuring fast installation and dependable circuit protection. Its common-trip functionality enhances safety by disconnecting all poles simultaneously during fault conditions. With a 10 kA interrupt rating and UL 489 compliance, it supports safe operation in standard electrical environments.
Key Highlights
• Thermal-magnetic trip design offers dependable overload and short-circuit protection while maintaining long-term reliability.
• Plug-in QP configuration enables quick installation into Siemens and ITE load centers without special tools.
• Common-trip, 3-pole construction provides coordinated circuit shutdown for enhanced safety.
• UL 489 listing and CSA certification ensure compliance with major electrical safety standards.
• Compatible with Siemens/ITE load centers, supporting both residential and light commercial power distribution systems.
System Compatibility
Designed for Siemens and ITE plug-in load centers, including main lug or main breaker configurations that accept Type Q/Type QP breakers.
Applications
Ideal for electrical distribution panels in homes, apartment buildings, and light commercial facilities requiring reliable overcurrent protection. Built for durability and stable performance in typical branch-circuit installations.
Key Benefits
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✓Fully Tested & Certified
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✓30-Day Risk-Free Returns
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✓1-Year Full Warranty
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✓Professional Calibration Services
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✓Trade-In Program Available
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✓Fast & Reliable Delivery
What's in the Box
- 1 x Siemens Q350 50A 3-Pole Plug-In QP Circuit Breaker
Technical Specifications
| Brand | Siemens |
| Model / Catalog Number | Q350 |
| Series / Frame Type | QP Series (QP/MP design) :contentReference[oaicite:2]{index=2} |
| Product Type | 3-Pole Thermal-Magnetic Plug-In Circuit Breaker |
| Amperage Rating | 50 A |
| Voltage Rating | 240 VAC |
| Interrupting Rating | 10 kAIC |
| Trip Type | Thermal-Magnetic, Common Trip |
| Mounting Type | Plug-In Mount |
| Electrical Connection | Lug Termination |
| Wire Size Range | 8–6 AWG Copper, 8–4 AWG Aluminum |
| Application | Electrical Distribution (Residential & Light Commercial) |
| Compatibility | Siemens / ITE Plug-In Load Centers :contentReference[oaicite:3]{index=3} |
| Number of Poles | 3 |
| Operating Category | Standard Duty Thermal-Magnetic Branch Circuit Protection |
| Standards / Certifications | UL 489 Listed, CSA/NOM Certified :contentReference[oaicite:4]{index=4} |
| Commodity Code | 3310 |
| UNSPSC | 39121601 |
| ARRA / BAA Compliance | Compliant |
| Special Features | 10 kA Interrupt Rating, Quick-Make Quick-Break Design (from Q-series data) :contentReference[oaicite:5]{index=5} |
| Product Family | Siemens Loadcenter Circuit Breakers |
(Including Calibration Support & Trade-In Options)