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Allen-Bradley 520F-CJJ product image
Allen Bradley
520F-CJJ

Size 2 2-speed Con Var Torque Starter

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Technical Specifications
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Technotes
Enclosure Code NEMA 3R/12 Painted Metal
Voltage type for actuating AC
With transformer False
Suitable for emergency stop False
External reset possible True
With short-circuit release False
With fuse False
Rated control supply voltage at AC 60 Hz 24 V
Continuous ampere rating 45 A
Load voltage 200 to 575V
Hp rating 25Hp @ 575V load voltage, 3-phase
Overload relay selection (high speed - start) Eutectic alloy overload relay
Overload relay selection (low speed - run) Eutectic alloy overload relay
Temperature compensated overload protection True
Coordination class according to IEC 60947-4-3 Class 2
Type of electrical connection of main circuit Screw connection
Type of electrical connection for auxiliary- and control current circuit Screw connection
Width 13 mm
Height 22 mm
Depth 8.5 mm
Degree of protection (NEMA) 12
Material housing Steel
Enclosure type NEMA 3R/4/12 no external overload relay reset
NEMA size Size 2
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  • American Bureau of Shippin

This product was certified with the above certifications as of 2025-04-14. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

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Technical Specifications
Enclosure Code NEMA 3R/12 Painted Metal
Voltage type for actuating AC
With transformer False
Suitable for emergency stop False
External reset possible True
With short-circuit release False
With fuse False
Rated control supply voltage at AC 60 Hz 24 V
Continuous ampere rating 45 A
Load voltage 200 to 575V
Hp rating 25Hp @ 575V load voltage, 3-phase
Overload relay selection (high speed - start) Eutectic alloy overload relay
Overload relay selection (low speed - run) Eutectic alloy overload relay
Temperature compensated overload protection True
Coordination class according to IEC 60947-4-3 Class 2
Type of electrical connection of main circuit Screw connection
Type of electrical connection for auxiliary- and control current circuit Screw connection
Width 13 mm
Height 22 mm
Depth 8.5 mm
Degree of protection (NEMA) 12
Material housing Steel
Enclosure type NEMA 3R/4/12 no external overload relay reset
NEMA size Size 2
Documents
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Search the Literature Library Chevron RightChevron Right
Certifications
  • American Bureau of Shippin

This product was certified with the above certifications as of 2025-04-14. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
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Size 2 2-speed Con Var Torque Starter
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