Siemens Industrial Controls B250 Breaker
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Siemens Industrial Controls B250 Breaker

Siemens Industrial Controls B250 Breaker

For mid-sized HVAC equipment and commercial distribution, the Siemens B250 breaker is a staple for reliable power management. This is a 50A 2-pole circuit breaker built on the Siemens BL type frame, designed specifically for a secure connection in P1 through P5 Siemens panelboards. As a bolt-on breaker, it eliminates the seating issues often found in plug-in alternatives, providing a low-resistance path that is critical for high-draw inductive loads. This unit is HACR rated, making it the correct choice for heating, air conditioning, and refrigeration circuits where multi-phase motor starting current is a factor.

The 120/240V 10k AIC rating ensures effective interruption during overcurrent events, protecting sensitive downstream components. Installation is streamlined with Insta-Wire connectors featuring backed-out screws, a detail every contractor appreciates when wiring 8-4 AWG aluminum or 8-6 AWG copper. This molded case circuit breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection. When you need a replacement Siemens B250, sticking to this OEM specification ensures compliance with the UL compatibility chart found in Siemens load centers.

Key Benefits
  • Bolt-On Securement: Ensures a rigid physical and electrical connection to the bus bar, reducing the risk of arcing.
  • HACR Rated Performance: Specifically engineered to handle the unique surge requirements of compressor and fan motor starts.
  • Insta-Wire Terminals: Backed-out screws allow for immediate wire insertion, significantly reducing labor time during panel builds.
  • 10kA Interrupting Rating: Provides essential protection against short circuits in standard residential and commercial environments.
  • Common Trip Mechanism: Ensures that if one pole trips, the entire circuit is disconnected for safety.
Common Questions

Is the Siemens B250 compatible with Eaton or GE panels?
No. While some breakers may physically fit, the B250 is a bolt-on circuit breaker specifically designed for Siemens P-series panelboards. Always refer to your specific panel's UL labeling to confirm compatibility before installation.

What wire size is required for this 50-amp breaker?
The terminals are rated for 8-6 AWG copper or 8-4 AWG aluminum. Ensure you follow local electrical codes for specific temperature and load de-rating when selecting your conductor.

Can I use this breaker for a 240V water heater or only HVAC?
While HACR rated breakers are optimized for HVAC equipment, they are perfectly suitable for other 240V 50A branch circuits, such as water heaters or electric ranges, provided the amperage and voltage requirements are met.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$28.06

Original: $80.18

-65%
Siemens Industrial Controls B250 Breaker

$80.18

$28.06

Siemens Industrial Controls B250 Breaker

For mid-sized HVAC equipment and commercial distribution, the Siemens B250 breaker is a staple for reliable power management. This is a 50A 2-pole circuit breaker built on the Siemens BL type frame, designed specifically for a secure connection in P1 through P5 Siemens panelboards. As a bolt-on breaker, it eliminates the seating issues often found in plug-in alternatives, providing a low-resistance path that is critical for high-draw inductive loads. This unit is HACR rated, making it the correct choice for heating, air conditioning, and refrigeration circuits where multi-phase motor starting current is a factor.

The 120/240V 10k AIC rating ensures effective interruption during overcurrent events, protecting sensitive downstream components. Installation is streamlined with Insta-Wire connectors featuring backed-out screws, a detail every contractor appreciates when wiring 8-4 AWG aluminum or 8-6 AWG copper. This molded case circuit breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection. When you need a replacement Siemens B250, sticking to this OEM specification ensures compliance with the UL compatibility chart found in Siemens load centers.

Key Benefits
  • Bolt-On Securement: Ensures a rigid physical and electrical connection to the bus bar, reducing the risk of arcing.
  • HACR Rated Performance: Specifically engineered to handle the unique surge requirements of compressor and fan motor starts.
  • Insta-Wire Terminals: Backed-out screws allow for immediate wire insertion, significantly reducing labor time during panel builds.
  • 10kA Interrupting Rating: Provides essential protection against short circuits in standard residential and commercial environments.
  • Common Trip Mechanism: Ensures that if one pole trips, the entire circuit is disconnected for safety.
Common Questions

Is the Siemens B250 compatible with Eaton or GE panels?
No. While some breakers may physically fit, the B250 is a bolt-on circuit breaker specifically designed for Siemens P-series panelboards. Always refer to your specific panel's UL labeling to confirm compatibility before installation.

What wire size is required for this 50-amp breaker?
The terminals are rated for 8-6 AWG copper or 8-4 AWG aluminum. Ensure you follow local electrical codes for specific temperature and load de-rating when selecting your conductor.

Can I use this breaker for a 240V water heater or only HVAC?
While HACR rated breakers are optimized for HVAC equipment, they are perfectly suitable for other 240V 50A branch circuits, such as water heaters or electric ranges, provided the amperage and voltage requirements are met.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

Shipping & Returns

Description

For mid-sized HVAC equipment and commercial distribution, the Siemens B250 breaker is a staple for reliable power management. This is a 50A 2-pole circuit breaker built on the Siemens BL type frame, designed specifically for a secure connection in P1 through P5 Siemens panelboards. As a bolt-on breaker, it eliminates the seating issues often found in plug-in alternatives, providing a low-resistance path that is critical for high-draw inductive loads. This unit is HACR rated, making it the correct choice for heating, air conditioning, and refrigeration circuits where multi-phase motor starting current is a factor.

The 120/240V 10k AIC rating ensures effective interruption during overcurrent events, protecting sensitive downstream components. Installation is streamlined with Insta-Wire connectors featuring backed-out screws, a detail every contractor appreciates when wiring 8-4 AWG aluminum or 8-6 AWG copper. This molded case circuit breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection. When you need a replacement Siemens B250, sticking to this OEM specification ensures compliance with the UL compatibility chart found in Siemens load centers.

Key Benefits
  • Bolt-On Securement: Ensures a rigid physical and electrical connection to the bus bar, reducing the risk of arcing.
  • HACR Rated Performance: Specifically engineered to handle the unique surge requirements of compressor and fan motor starts.
  • Insta-Wire Terminals: Backed-out screws allow for immediate wire insertion, significantly reducing labor time during panel builds.
  • 10kA Interrupting Rating: Provides essential protection against short circuits in standard residential and commercial environments.
  • Common Trip Mechanism: Ensures that if one pole trips, the entire circuit is disconnected for safety.
Common Questions

Is the Siemens B250 compatible with Eaton or GE panels?
No. While some breakers may physically fit, the B250 is a bolt-on circuit breaker specifically designed for Siemens P-series panelboards. Always refer to your specific panel's UL labeling to confirm compatibility before installation.

What wire size is required for this 50-amp breaker?
The terminals are rated for 8-6 AWG copper or 8-4 AWG aluminum. Ensure you follow local electrical codes for specific temperature and load de-rating when selecting your conductor.

Can I use this breaker for a 240V water heater or only HVAC?
While HACR rated breakers are optimized for HVAC equipment, they are perfectly suitable for other 240V 50A branch circuits, such as water heaters or electric ranges, provided the amperage and voltage requirements are met.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Siemens Industrial Controls B250 Breaker | GSIstore