Cutler Hammer, Div of Eaton Corp Manual Motor Protection General Product Line Information
31.3
Motor Protection and Monitoring
Manual Motor Protection
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Manual Motor Protection
Manual Motor Protectors—XTPB, XTPR and XTPE
Product Description
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.
Application Description
The XTPB and XTPR MMPs
can be used in the following
applications.
Motor Protective Circuit Breaker
In many countries outside
of the United States and
Canada, especially Europe,
the MMPs are tested and
classified as thermalmagnetic 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.
Contents
Description Page
Manual Motor Protection
Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . 525
Catalog Number Selection . . . . . . . . . . . . . . . . . . . . . . . 525
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525
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 shortcircuit 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.
Individual Branch Motor
Applications
A UL 508 Type E selfprotected manual
combination starter/motor
controller consists of a single
device possessing four
essential elements:
disconnect, short circuit
protection, motor controller,
and motor overload
protection. Some MMPs
require use of a lineside
adapter for this type of
approval. When tested as an
official combination by UL,
this device takes the place of
a fuse-starter or breakerstarter, XT Type E MMPs are
self-protected, meaning they
do not need additional short
circuit protection of a fuse or
breaker. Type E devices can
also be used with a contactor
or other types of UL approved
controllers. If tested with a
contactor, the combination
motor controller becomes a
Type F device. See
CA08102001E, Control
Products Catalog, Tab 34,
section 34.1 for XTFC Type F
devices.
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524 Volume 5—Motor Control and Protection CA08100006E—March 2011 www.eaton.com
Motor Protection and Monitoring
Manual Motor Protection
31.3
Features and Benefits
●
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
Catalog Number Selection
XT Manual Motor Protectors
Designation
XT = XT IEC power control
PB = Manual motor protector—
PR = Manual motor protector—
PM = Manual motor protector—
PT = Manual transformer
●
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
XT PR 012 B C1
Type
pushbutton
rotary
magnetic only
protector (high mag.)
Frame B
P16 = 0.16A
P25 = 0.25A
P40 = 0.40A
P63 = 0.63A
001 = 1A
1P6 = 1.6A
2P5 = 2.5A
004 = 4A
6P3 = 6.3A
010 = 10A
012 = 12A
016 = 16A
020 = 20A
025 = 25A
032 = 32A
●
Accessories include:
●
●
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Current Ratings
Frame D
016 = 16A
025 = 25A
032 = 32A
040 = 40A
050 = 50A
058 = 58A
063 = 63A
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
Frame Size
B = 45 mm
D = 55 mm
Standards and Certifications
●
CE approved
●
UL listed File No. E245398
●
UL 508 group motor and
Type E compliant
●
IEC/EN 60947
●
CSA File 229767, Class
3211-05
●
DIN VDE 0660 Part 100,
Part 101 and Part 102
Trip Class
C1 = Class 10
Blank = Magnetic only (no thermal trip)
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Reference
Refer to Tab 27 of this volume, section 27.1 for additional
Product information.
Manual Motor Protectors Tab Section
Product Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.1
Product Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.1
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.1
Technical Data and Specifications . . . . . . . . . . . . . . . . . . . 27.1
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.1
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