IEC Contactors & Starters
Freedom MMPs & Manual and Combination Motor Controllers
Type A302 Manual Motor Protectors
March 2009
34
Contents
Description Page
Manual Motor Protectors
Product Description. . . . . . . 34-290
Features . . . . . . . . . . . . . . . . 34-290
Standards and
Certifications . . . . . . . . . . . 34-290
Instructional Leaflets . . . . . . 34-290
Product Selection . . . . . . . . 34-291
Accessories . . . . . . . . . . . . . 34-292
Note: For more information, see
CA03801001E.
Catalog Number
A302GN with Side
Auxiliary Contacts
Catalog Number
A302KN
Product Description
The Cutler-Hammer® A302 from
Eaton’s electrical business is a threephase Manual Motor Protector with an
adjustable bimetallic Class 10 thermal
overload and instantaneous magnetic
short circuit trip mechanism. These
MMPs can be used in single-phase or
three-phase MMP applications. A302
MMPs are UL listed and CSA certified
for group installations of motors and
single motor installations up to 25
FLA. These MMPs can be field wired
for single-phase motor applications by
connecting the three poles in series.
Features
■ Compact 45 mm design — saves
panel space
■ Meets UL, CSA and international
standards
■ CE Mark
■ Class 10 bimetallic thermal overload
trip
■ Single-phase fault sensitivity
■ Snap-on DIN rail mount capability or
can be panel mounted with screws
■ Open MMPs can be padlocked in
OFF (STOP) position
■ Terminals are “fingerproof,” located
in the vertical plane, easily accessible
from the front with screwdriver guide
holes provided for ease of wiring
■ Wide range of accessories, includ-
ing auxiliary contacts, undervoltage
release module and shunt trip can be
added to the MMP without tools
Standards and Certifications
■ UL File No. E37316, Category NLRV
■ CSA File No. LR12530-67M, Class
3211-05
■ IEC 947-1, IEC 947-2, IEC-947-4
Instructional Leaflets
Pub20560 — A302 Manual Motor
Protectors
Pub20561 — C320 Auxiliary Contacts
(Side Mount)
Pub20562 — C320 Auxiliary Contacts
(Internal Mount)
Pub20563 — C320 Trip Alarm Contact
Pub20564 — C320 Indicating Lights
Pub20566 — C320 Undervoltage
Module
Pub20567 — C320 Shunt Trip Module
Pub20723 — C320 Busbar Accessories