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Square D > On-line Catalog > Products > NEMA Contactors and Starters > Reversing Combination Starters—NEMA Rated: Thermal Magnetic Circuit Breakers

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Reversing Combination Starters—NEMA Rated

Thermal Magnetic Circuit Breaker

Class 8739 / Refer to Catalog 8538CT9701

3-Pole Polyphase—600 Vac Maximum—50–60 Hz

Note that the prices shown do not include thermal units. Devices require 3 thermal units. Standard trip thermal units are $14.30 each. See page 16-129 for selection information.
NEMA
Type 1
General
Purpose
Enclosure
NEMA 4 & 4X
Watertight
and Dusttight
Enclosure
Stainless Steel (304)
(Sizes 0 - 5)a
NEMA 4X
Watertight
Dusttight
and Corrosion
Resistant
Polyester Enclosure
NEMA 7 & 9b
For Hazardous Locations
Class I, Groups C & D
Class II, Groups E, F & G
NEMA 12/3Rc
Dusttight and Driptight
Industrial Use
Enclosure
Motor
Voltage
(Starter
Voltage)
Max.
Hp
Poly-
phase
NEMA
Size
SPIN TOP®
Type
Bolted
Type
With
External
Reset
Without
External
Reset
Ampere
Rating
460
(480)
   5
 15
     7-1/2
 10
 20
 25
 15
 20
 25
 40
 60
 70
 30
 40
 50
 80
 90
 60
 75
575
(600)
  5
 15
     7-1/2
 10
 15
 20
 15
 20
 25
 35
 45
 60