Technical specification

STANDARDS AND MECHANICAL DATA

Metal Enclosed switchgear: IEC 62271-200 General Purpose switches: IEC 60265-1 Disconnectors and Earthing switches: IEC 62271-102 Switch Fuse Combination: IEC 62271-105 Circuit Breakers: IEC 62271-100 Common clauses: IEC 60694 Pressure of SF6 gas: 1.4 bar at 20 °C Cable bushings: DIN 47636 Temperature class: -25 °C - +40 °C Indoor Degree of protection: - SF6 tank: IP 67 - Fusecanisters: IP 67 - Front cover: IP 2X - Cable cover: IP 3X - Enclosure: IP 54


Busbars: 240 mm2 Cu Earth bar (external): 120 mm2 Cu - Bolt dimension: M10 Thickness of Stainless Steel Tank: 2.5 / 3.0 mm Colours: - Front cover: RAL 7035 - Side and cable cover: RAL 7035 - Enclosure IS 632


ELECTRICAL DATA – 12 kV - 28kV-1min Nominal voltage: 11 kV Rated frequency: 50 Hz Rated current busbars: 630 A Rated current cable switch disconnector : 630 A Short time withstand current: - cable switch disconnector with interface C (400-bolt) bushing: 21 kArms 3 sec. - vacuum circuit breaker with interface C (400-bolt) bushing: 21 kArms 3 sec. Rated current for transformer T-off : 200 / 630 A

Impulse withstand voltage : To earth and between phases: 75 kV Insulation level: - Power frequency 1 min: 28 kV


Item no. 1 Switchgear :

Outdoor Type, 12kV, 630A, 21kA for 3 Sec, Non-Extensible Outdoor Ring Main Unit Comprising of 2 No. Ring Load Break Switches & 2 No. Vacuum Circuit Breakers

SafePlus compact switchgear : Total number of modules 4 pcs


A01 C

SafePlus C is a cable switch module with a three position load break switch and earthing switch, busbars, interlocking and earthbar.

1 SafePlus type C: Cable switch 12kV, 630A 1 Manometer 1 Snap action mech. for Manual operation 1 Cable bushings interface C (400 bolted), 630 A, standard 1 Earth Fault Indicator 1 Capacitive voltage indication fixed type VPIS 9-15 kV 1 Cable support bars, standard for 1-way unit A02 C

SafePlus C is a cable switch module with a three position load break switch and earthing switch, busbars, interlocking and earthbar.

1 SafePlus type C: Cable switch 12kV, 630A 1 Snap action mech. for Manual operation 1 Cable bushings interface C (400 bolted), 630 A, standard 1 Earth Fault Indicator 1 Capacitive voltage indication fixed type VPIS 9-15 kV 1 Cable support bars, standard for 1-way unit



A 03,04 V

SafePlus V is a Vacuum circuit breaker module with vacuum circuit breaker, three position isolator/earthing switch, busbars, interlocking, earthbar and stored spring energy

1 SafePlus type V: Vacuum circuit breaker 12kV, 630A 1 Stored energy mech. for Manual operation 1 Self Powered Over Current and Earth Fault protection relay ADR141S 1 Cable bushings interface C (400 bolted), 630A 1 Capacitive voltage indication fixed type VPIS 6-12 kV 3 Ring core current transformer type 60/1 A, 2.5VA, 5P10 for protection

Additional equipment delivered separately

1 Operating handle