Siemens B170H - 70 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Discover reliable, purpose-built protection with the Siemens B170H 70A, 120V, 1-Pole Bolt-On Circuit Breaker. This molded case breaker is engineered to safeguard branch circuits in panelboards and load centers, delivering dependable overcurrent and short-circuit protection when it matters most. Available from AmpState, it combines solid construction with precise protection to keep electrical systems running smoothly.

Why the Siemens B170H stands out

• Bolt-on mounting for a secure, vibration-resistant bus connection – engineered to maintain a rigid electrical interface even in environments with vibration or movement, reducing the chance of loose connections over time.
• Thermal-magnetic trip unit – provides stable, repeatable protection by accurately responding to both overloads and short circuits, helping prevent damage to downstream devices.
• 1-pole, 70A at 120V – the right balance of protection for individual branch circuits, suited for residential, commercial, and light industrial applications.
• OEM compatibility – designed to work with matching Siemens OEM load centers and panelboards for seamless integration and reliable performance.

Ideal use cases

Use the Siemens B170H in residential service panels for dedicated feeders or subcircuits, in light commercial panelboards for lighting and receptacle runs, or in small industrial setups where robust, dependable protection is essential. It’s a practical upgrade or replacement option when you need a trusted, Siemens-built solution that fits standard bolt-on mounting schemes.

What problems it solves

• Prevents nuisance trips by delivering predictable protection aligned with its thermal-magnetic design.
• Maintains connection integrity in environments where vibration or movement could loosen connections over time.
• Provides consistent protection for branch circuits, guarding wiring and connected equipment from overcurrent and short circuits.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: B170H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 70A
• Voltage Rating: 120V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Siemens B170H for a dependable, OEM-compatible bolt-on solution that delivers clear protection for your panelboard installations. It’s a thoughtful, long-term investment in electrical safety and system stability.