
Reference: LLS 540-04
Brand: Laetus
stripe
The Square D Class 9810 ST-520 is a capacitor trip unit designed to provide reliable tripping power to circuit breakers in the event of a power loss, ensuring safe operation in critical electrical systems.
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The ST-520 capacitor trip unit is part of Square D's Class 9810 product line, engineered to supply the necessary energy to trip circuit breakers during power outages or insufficient control power scenarios. This unit charges a capacitor to store energy, which is then released to operate the trip mechanism of a circuit breaker when needed. The ST-520 is particularly useful in systems where maintaining the ability to trip breakers during power failures is essential for safety and equipment protection.
Features:
Reference: LLS 540-04
Brand: Laetus
Reference: 1336-F2-SP6A
Brand: Allen-Bradley (Rockwell Automation)
Reference: PNOZ mi1p
Brand: PILZ
Reference: 193-EC2AB SER A
Brand: Allen-Bradley (Rockwell Automation)
Reference: DBL 9451
Reference: 440P-MRPS11E SER A
Brand: Allen-Bradley (Rockwell Automation)
Reference: 3SB3 000-5BD01
Brand: Siemens
Reference: PNOZ XV2P
Brand: PILZ
Reference: 700S-P440A1 SER D
Brand: Allen-Bradley (Rockwell Automation)
Reference: PNOZ 1 24VDC 3S10
Brand: PILZ
Reference: PNOZ M1P
Brand: PILZ
Reference: 3RG7842-4DF01
Brand: Siemens
Reference: FT50H-AYY9AD4G4A
Brand: Endress+Hauser
Reference: 592-ECD2DC SER A
Brand: Allen-Bradley (Rockwell Automation)
Reference: PNOZ X1
Brand: PILZ
Reference: 855T-B10FN6 SER C
Brand: Allen-Bradley (Rockwell Automation)
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The Square D Class 9810 ST-520 is a capacitor trip unit designed to provide reliable tripping power to circuit breakers in the event of a power loss, ensuring safe operation in critical electrical systems.
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