Control Catalog

Reduced Voltage Starters Electromechanical

Section 2

CR331 Autotransformer Starters 800 Horsepower Max.@ 230V 1500 Horsepower Max. @ 600V NEMA Sizes 2-9 Three-Phase 50/60 Hz

Product Number Selection Instructions NEMA Sizes 2-5

1. Specify starters by complete product number. Example: CR331EG411 at $4314.00, GO-10G1 . 2. Select and specify overload heaters necessary on the basis of motor’s full-load current . 3. Order starters not listed or special features by complete description using a listed product number as a reference whenever possible and include motor ratings and horsepower. Example: Similar to CR331EG411 except with a control transformer and START-STOP push button at total List Price $5082.00, GO-10G1 . Starter to control a 50-horsepower, 460- Volt , 60-Hertz motor having a full-load current of 68 Amperes. NEMA Sizes 6-9 1. Specify: Starter type (CR331) — NEMA Size — Type enclosure — Control circuit voltage — Short-circuit protective device — Line voltage 2. Motor data: Motor type — Horsepower — Voltage — Phase — Number of wires — Frequency — Temperature-rise — Full-load current — Service factor 3. Modifications: (See page 2-58 and 2-59) 4. Ordering Example: One CR331HB311 NEMA Size 6, nonreversing autotransformer starter in NEMA Type 1 enclosure. For a squirrel-cage induction motor rated 200-horsepower, 230-Volts, three-phase, 60-Hertz, 40°C rise, 500-Amperes full-load current , 3000-Amperes locked-rotor current . Total List Price $24657.00, GO-10G1 .

CR331 Size 6 Starter

Additional Forms 1. Combination Starters

Combination starters with fusible or nonfusible disconnect switch, or circuit breaker are also available. See page 2-59, (Tables 1 and 2) for list price additions. 2. 50-Hertz Starters 50-Hertz starters are available. Contact nearest GE Energy Sales Office for proper selection and pricing of 380 Volt 50 Hertz forms. 3. Special Enclosures Starters are also available in NEMA Type 3R, 4 and 12 enclosures. See page 2-59 (Table 3) for list price adders. 4. Product Notes Motor full-load current should not exceed continuous ampere rating of starter.

Reference Publications Instructions

GEH-4899 (Sizes 2-5) GEH-4863 (Sizes 6-9)

Instructions

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

www.geindustrial.com

Control Catalog

2-47