MPW40-3-U040

WEG's MPW series are compact motor protective circuit breakers.

These manual motor protectors (MMP) are ideal for harsh operating environments and were developed to meet IEC 60947 and UL508 standards.

MPW18 Series

• Motor protective circuit breaker up to 18 A
• Thermal-magnetic circuit breaker (provides protection against short-circuit and overload) or only magnetic circuit breaker (provides protection against short-circuit)
• Same technical features (mechanical and electrical) of former MPW16 (up to 16A)
• Pushbutton operated

MPW40 Series

• Motor protective circuit breaker up to 40 A - 45 mm wide
• Thermal-magnetic circuit breaker (provides protection against short-circuit and overload) or only magnetic circuit breaker (provides protection against short-circuit)
• Same technical features (mechanical and electrical) of former MPW25 (up to 32 A)
• Rotary handle operated

MPW80 Series

• Motor protective circuit breaker up to 80 amp
• IP20
• Rotary handle operated
• Will replace the MPW65 series in 2021

MPW100 Series

• Motor protective circuit breaker up to 100 amp
• Rotary handle operated

Accessories for MPW18/MPW40 - please documents for MPW80 and MPW100 accessories:

• ACBF-11-18- front auxiliary contact block
• ACBS-11-B - 1NO/1NC left side auxiliary contact block
• ACBS-20-B - 2NO left side auxiliary contact block
• ACBS-02-B - 2NC left side auxiliary contact block
• TSB-22-B - trip signalling block
• Please see spec sheet under 'Docs' for additional accessories

Marshall Wolf Automation is your stocking authorized WEG distributor.

Series Features Include:

• Short-circuit interrupting capacity up to 100kA@480Vac (50kA@600Vac)
• Phase Loss sensitivity protection
• UL Type-E self-protected combination starter
• Suitable for Motor Disconnect applications
• Group motor installations (per NEC Article 430)
• Wide variety of Accessories
• Rated for DC applications
• Suitable for manual motor controller, group installation, tap conductor and combination starters* type E & type F
• Built-in protection: disconnect means, short-circuit protection, motor control and overload protection
• Fixed short-circuit release 13 x Iu
• Ambient temperature compensation -4 - +140ºF (-20 - +60ºC)

Need More Information?

• WEG MPW Series Manual Motor Protectors Flyer
• WEG MPW Series Manual Motor Protectors Datasheet
• WEG MPW18 & MPW40 Series Manual Motor Protectors Catalog
• WEG MPW18/MPW18i Series Manual Motor Protectors Installation Instructions
• WEG MPW Series Accessories Installation Instructions
• Weg Power and Control Products 2020 Catalog

Learn more about Circuit Breakers Here!

• All About Circuit Breakers
• A Quick Guide to Circuit Breakers