MOTOR PROTECTION CIRCUIT BREAKERS

PRODUCT PROFILE

ATC Diversified’s Motor Protection Circuit Breakers provide reliable overload

and short circuit protection and are ideal for use in group motor

installations—providing space, labor and cost savings. For the simplest

applications, they can also be used by themselves as manual motor controllers.

Compact

Only 45mm (1-49/64”) wide up to 20HP @ 460V (15kW @ 400V)

in both thermal and magnetic and magnetic only versions.

Full Line of

Accessories

Including side-mounted auxiliary contacts for motor

protection circuit breakers. Snap-on accessories are easily

installed without the use of tools.

Easy to Install

35mm DIN rail mounting for fast and easy installation and

removal, or panel mounting with mounting feet for more

secure installation in high shock and vibration applications.

Visible Markings

High visibility labels and markings; dual IEC and NEMA terminal

markings for ease of wiring anywhere in the world.

Space Savings

Control panel sizes can be reduced because the short circuit protection

provided by the ATC MPCBs enables individual motor branch circuit

fuses or circuit breakers and overload relays to be eliminated.

UNIQUE PRODUCT LINE FEATURES

Multi-Function Device

• Our MPCBs are certified as Manual Motor Controllers

Suitable as Motor Disconnects, can be used in Group Motor

Installations, and can be used to manually control individual

motors and protect them against overload and short circuit

currents.

High Fault SCCR

• High fault short circuit current rating of 50kA @ 480V provides

safety and reliability in high fault applications.

Seamless Compatibility

• The modular design of our MPCBs allow for direct mounting

onto CON Series (9A to 40A) AC/DC Contactors.

Adjustable Current Setting

• Full load current adjustment ratio enables overload relay to be

set to exact FLA of motor. Provides phase protection for the

motor against overload currents.

Snap-On Accessories

• Snap-on accessories are easily installed without the use of tools,

lowering assembly and installation costs.

DELIVERING SUPERIOR PRODUCT QUALITY AND

MANUFACTURING EXCELLENCE

Proven

Our Motor Protection Circuit Breakers

are UL Listed and CE marked

meeting global standards requirements.

Added Safety

IP20 guarded terminals with dual terminal markings prevent

accidental contact with live parts.

Modular Design

Modular design allows ATC Motor Protection Circuit Breakers

to be easily used with the complete range of CON Series

Contactors and accessories.

MPB

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Adjustment Range

1.6 - 2.5 Ampere

2R5

2.5 - 4.0 Ampere

4

4.0 - 6.3 Ampere

6R3

6.3 - 10 Ampere

10

10 - 16 Ampere

16

16 - 20 Ampere

20

20 - 25 Ampere

25

Operator Type

32A w/Thermal & Magne�c Trip Elements

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