Repairing and Replacement of defective parts of ABB make HPA/12/1640C SF6 Circuit breaker panels at CAP Substation TSD, BARC, Trombay, Mumbai 85.

Amount

Fabrication,assembly & retrofitting of following parts for 11 KV ABB make HPA 12 1640C SF6 circuit breaker as per clause No 1 of technical specification

Top Shaft Assembly

Bottom Shaft Assembly

Closing spring assembly

Tripping spring assembly

Catch & Tension spring

Aluminium link pull spring

Ratchet wheel (Locking arm) assembly

Tripping spring holding bolt with Nylon nut

Under voltage coil assembly (1VEB-527401-6)

Top Trip Free Mechanism (TFM)

Bottom Trip Free Mechanism (TFM)

Pull Rod

Pull Rod Bush

Dowel Pin

Under Voltage Release Assembly

Damping Device bottom

Damping Device Top

Charging Device

Spring for Catch

Split pin for closing & tripping spring holding

Spring charging indicator assembly

Tripping Shock observer

Closing Coil Assembly

Tripping Coil Assembly

Tripping coil

Closing Coil

Closing Shock observer

CB ON/OFF indicator assembly with sticker

Teflon dish Washer for breaker racking mechanism

Parrot Arm

Hardware set with M6 Screws, Cup washer &Circlips etc

TR-231 Tripping relay(110V DC)

Motor Protection Relay (SPAM 150 C)

TNC switch 110 V, DC ,40 A

U/V & O/V contact multipler Auxillary/signal relay. model ;RXSF1 (4 NO and 2 NC )

Polymide Teriminal/ Contact Blocks 4-25 Sqmm

Supply and Installation of 11 kV SF6 circuit braker( model HAP 12 1640C) Movement Trolley