Product Brochure

Volume 5—Motor Control and Protection CA08100006E—May 2013 www.eaton.com V5-T4-23
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4.3
Definite Purpose Contactors and Starters
Starters
25–60A, Single- and Three-Phase—A25, B25
Contents
Description Page
25–60A, Single- and Three-Phase—A25, B25
Product Selection . . . . . . . . . . . . . . . . . . . . . . . V5-T4-24
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . V5-T4-26
Technical Data and Specifications . . . . . . . . . . V5-T4-27
Trip Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . V5-T4-28
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . V5-T4-28
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . V5-T4-29
15–45A, Single- and Three-Phase—A27, B27 . . . . V5-T4-30
15–75A, Single- and Three-Phase—A30, B30 and
C440/XT Electronic Overload Relay . . . . . . . . . . V5-T4-38
25–60A, Single- and Three-Phase—A25, B25
Product Description
A25 and B25 Definite
Purpose Starters from Eaton’s
electrical sector combine the
features and flexibility of the
C25 Definite Purpose
Contactors and Freedom
Series Bi-metallic Ambient
Compensated Overload
Relays mounted on a common
mounting plate.
Features and Benefits
Overload Relay
●
Selectable manual or
automatic reset operation
●
Interchangeable heater
packs adjustable ±24% to
match motor FLA and
calibrated for use with 1.0
and 1.15 service factor
motors
●
Class 10 or 20 heater packs
●
Bimetallic, ambient
compensated operated.
Trip free mechanism
●
Electrically isolated NO-NC
contacts (pull RESET
button to test)
●
Overload trip indication
●
Shrouded or fingerproof
terminals to reduce
possibility of electrical
shock
●
Single-phase sensitivity
Standards and Certifications
●
UL Recognized
Components UL File
#E-1491, Guide NLDX2
●
CSA Certified Components
File #LR353, Guide
380W-1.14 Class 3211 04
Catalog Number Selection
25–60A, Single- and Three-Phase—A25, B25
When Ordering Specify
●
Catalog number plus magnet coil suffix, see Page V5-T4-24
Example, order catalog number A25CNC30A
●
Heater packs for specific FLA of motor,
see Pages V5-T4-26 and V5-T4-27
Incomplete catalog number
A25CNC30 A
Magnet coil suffix