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Manual Motor Protectors
Magnetic Only Manual Transformer Protector (High Mag)
Magnetic Only

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Manual Transformer Protector (High Mag)

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Pushbutton Rotary
Pushbutton

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Rotary

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Eaton’s new XT family of manual motor protectors (MMPs) features a pushbutton or rotary ON/OFF manual disconnect, Class 10 adjustable bimetallic overload relay and fixed magnetic short-circuit trip capability in one compact unit. Two frame sizes are available: Frame B (45 mm) for motors with FLA ratings up to 32A and Frame D (55 mm) covers motor FLA ratings up to 65A.

Motor Protective Circuit Breaker

In many countries outside of the United States and Canada, especially Europe, the MMPs are tested and classified as thermal-magnetic circuit breakers for use in motor branch circuits. This can be an important consideration for all companies who export their equipment and machines internationally. Both the XTPB and XTPR conform to IEC/EN 60947 and have the CE Mark.

Manual Motor Protectors

The XTPB and XTPR MMPs are UL listed under UL 508 as manual motor protectors. They provide an economical solution for applications requiring simple manual starting and stopping of motors. When used as a manual starter, they are typically installed in an enclosure. Many enclosures are offered as accessories for the MMPs. Separate short-circuit protective devices, such as circuit breakers or fuses, are wired ahead of the MMPs. The short-circuit protective device should be sized per the NEC and should not exceed 400% of the maximum FLA dial setting of the MMP.

Features
  • ON/OFF rotary handle with lockout provision
  • Visible trip indication
  • Class 10 overload protection
  • Phase loss sensitivity
  • Ambient temperature compensation to IEC/EN 60947, VDE 0660
  • Fixed short-circuit trip—14 times maximum setting of overload FLA dial
  • Type 2 coordination per IEC 947
  • Identification markers standard on starter faceplate
  • Motor applications from 0.1A to 65A
  • Built-in heater and magnetic trip elements to protect the motor
  • Adjustment dial for setting motor FLA
  • DIN rail mount
  • Terminal types available:
    • Screw terminals
    • Screw (line) and spring cage (load) terminals
    • Spring cage terminals
  • Accessories include:
    • Front and side auxiliary contacts
    • Trip indicating contacts
    • Tamperproof cover for OLR dial
    • Undervoltage release
    • Shunt trip
    • Through-the-door operators
    • Enclosures
    • Three-phase line side connecting links
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