Thomas & Betts R38-40 Circuit Breaker, 40A, 2-Pole, 240V

Meet the Thomas & Betts R38-40 Circuit Breaker — a purpose-built solution for industrial electrical service, maintenance, and replacement tasks. This 40-amp, two-pole breaker delivers reliable protection for 240-volt circuits and is designed to work within the RC-series ecosystem.

Key benefits and what makes it stand out:

• Precise industrial protection: 40 A rating on a 240 V two-pole configuration ensures comprehensive overcurrent protection for feeders, motors, and distribution circuits in harsh environments.
• RC-series compatibility: Specifically intended to integrate with RC-series panels and enclosures, providing a seamless fit for upgrade or retrofit projects.
• Clear fit verification: Use the part number R38-40 to confirm compatibility with your application; this part is commonly used in RC-series configurations.
• Versatile deployment: Ideal for new installations in industrial control panels, or as a reliable replacement part during maintenance or panel upgrades.
• Safety-first design: Two-pole operation ensures both hot legs disconnect simultaneously, reducing risk of arc faults and uneven loading.
• Support when you need it: If you’re unsure about fit, our team can help verify compatibility based on your system requirements.

Typical use scenarios include service panels in manufacturing lines, equipment feeders, and heavy-duty distribution circuits where robust protection and dependable operation are critical. By choosing the R38-40, you’re selecting a trusted, industrial-grade breaker recognized for reliability in demanding environments.

Note: Verify fit by part number and application requirements. If you need help matching a part number or confirming compatibility, message us and we’ll help.