Control Catalog

Reduced Voltage Starters Electromechanical CR331 Autotransformer Starters Three heaters should be ordered as separate items.

Section 2

Three-Phase NEMA Type 1

List Price GO-10G1 $3402.00 $4170.00 $7758.00 $12315.00 $23805.00 $3402.00 $4170.00 $7758.00 $12315.00 $13281.00 $22833.00 $23805.00 $24657.00 $37665.00 $38943.00 $51519.00 $54879.00 $72351.00 $74721.00 $80163.00 $3402.00 $3402.00 $4170.00 $4314.00 $7902.00 $7902.00 $12777.00 $14445.00 $23997.00 $25389.00 $26121.00 $40773.00 $41745.00 $56535.00 $58539.00 $60645.00 $81471.00 $84327.00 $89409.00 $3402.00 $3402.00 $4170.00 $4314.00 $7902.00 $7902.00 $12777.00 $14445.00 $23997.00 $25389.00 $26121.00 $40773.00 $41745.00 $56535.00 $58539.00 $60645.00 $81471.00 $84327.00 $89409.00

NEMA Size

Motor Voltage (60 Hz)

Horsepower

Product Number

2 3 4 5 6 2 3 4 5 5 6 6 6

200-208 200-208 200-208 200-208 200-208 230-240 230-240 230-240 230-240 230-240 230-240 230-240 230-240 230-240 230-240 230-240 230-240 230-240 230-240 230-240 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 460-480 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600 575-600

10 25 40 75 15 30 50 75

CR331DA111 CR331ED111 CR331FF111 CR331GJ111 CR331HA111 CR331DB311 CR331EE311 CR331FG311 CR331GJ311 CR331GK311 CR331HT311 CR331HA311 CR331HB311 CR331JC311 CR331JD311 CR331KF311 CR331KG311 CR331LH311 CR331LJ311 CR331LL311 CR331DB411 CR331DD411 CR331EE411 CR331EG411 CR331FJ411 CR331FK411 CR331GM411 CR331GN411 CR331HC411 CR331HD411 CR331HF411 CR331JH411 CR331JJ411 CR331KK411 CR331KL411 CR331KM411 CR331LN411 CR331LP411 CR331LR411 CR331DB511 CR331DD511 CR331EE511 CR331EG511 CR331FJ511 CR331FK511 CR331GM511 CR331GN511 CR331HC511 CR331HD511 CR331HF511 CR331JH511 CR331JJ511 CR331KK511 CR331KL511 CR331KM511 CR331LN511 CR331LP511 CR331LR511

150

Starting Current Comparison

100 125 150 200 250 300 400 450 500 600 800 100 150 200 250 300 400 500 600 700 800 900 15 25 30 50 75

The above is a comparison of starting current for full- voltage starters, closed transition and open transition autotransformer-type reduced voltage starters. All CR331 starters are the closed transition type.

7 1 7 1 8 1 8 1 9 1 9 1 9 1

2 2 3 3 4 4 5 5 6 6 6

7 1 7 1 8 1 8 1 8 1 9 1 9 1 9 1

1000 1250 1500

Schematic Diagram – NEMA Size 4

2 2 3 3 4 4 5 5 6 6 6

15 25 30 50 75

100 150 200 250 300 400 500 600 700 800 900

7 1 7 1 8 1 8 1 8 1 9 1 9 1 9 1

1000 1250 1500

1 Size 7 starters and higher are not UL listed. UL508A is available as a factory quoted option.

Diagram Legend

OL—Thermal Overload Relay (Motor) OTT—Over Temperature Thermostat R—Run Contactor TC—Time Closing Contact TO—Time Opening Contact TR—Pneumatic Timer

—Terminal Board 1S—Wye Contactor 2S—Start Contactor AT—Autotransformer CR—Control Relay CT—Current Transformer FU—Fuse

Schematic Diagram – NEMA Size 7

Product Number Selection Instructions: See page 2-47

Rev. 4/16 Prices and data subject to change without notice

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