Rated Voltage 72.5 kV to 252 kV. Rated current up to 4000 A and short circuit 40 kA (145 kV) or up to 50 kA (252 kV). One Interrupter unit per pole, Self-compression principle with stored energy spring mechanism. Single phase or three phase auto-reclosing with shared/individual breaker base. The 3AP high-voltage circuit breaker ensures optimum High-Voltage Circuit-Breaker 3AP1 FGTechnical DataThe new 3AP1 FG circuit-breaker will be delivered completelymounted on a breaker base and prefilled with ar About Product. Rated Voltage 72.5 kV to 252 kV. Rated current up to 4000 A and short circuit 40 kA (145 kV) or up to 50 kA (252 kV). One Interrupter unit per pole, Self-compression principle with stored energy spring mechanism. Single phase or three phase auto-reclosing with shared/individual breaker base. The 3AP high-voltage circuit breaker breakers depends as much on proper installation and main­ tenance as it does on good design and careful manufacture. The instructions included in this book are necessary for safe installation, maintenance and operation and are provided to aid you in obtaining longer and economical service from your Siemens circuit breakers. AC and DC Power Circuit Breakers Used in Enclosures. Presently, there is not an equivalent CSA standard to UL 1066, and therefore these circuit breakers do not carry a CSA listing mark. These circuit breakers are constructed in compliance with ANSI/IEEE C37.13, and performance tested in accordance with ANSI C37.50. The circuit breakers for use in UL markets. SIRIUS 3RV27 and 3RV28 can be used according to UL 489/CSA C22.2 No.5. Use as "branch circuit protection device" (BCPD) acc. to UL/CSA; For fuseless protection of systems, motors and non-motor loads (e.g. transformers) In sizes S00 and S0 up to 22 A, switching capacity 65 kA or 50 kA at 480 Y/277 V Siemens · 10/2015 3 3WL1 Air Circuit Breakers Introduction Breaking capacity * Designations according to IEC 60947-2, Appendix K. 1) Size II with I n max ≤ 2500 A. 2) Size II with I n max = 3200 A and In max = 4000 A. 3) At a rated voltage of ≥ 690 V, the I cw value of the circuit breaker cannot be greater than the Icu or Ics value at 690 V. 4) Rated operational voltage U Siemens · 10/2014 3 3WL Air Circuit Breakers Introduction Breaking capacity 1) Size II with I n max 2500 A. 2) Size II with I n max = 3200 A and In max = 4000 A. 3) At a rated voltage of 690 V, the I cw value of the circuit breaker cannot be greater than the Icu or Ics value at 690 V. 4) Rated operational voltage U e = 1150 V. 5) At U e = 220 V DC. drawout breakers) permits stacking of six SOOA or 1200A breakers or four 2000A breakers in a standard switchboard. Th1s packaging is made possible by the insulated-encased construction and thermal performance of the SB breaker. Even when operated at 100% of the frame rating, no additional ventilation is required for the 1200A and 2000A frames. Thanks to modular communication options, they can be integrated into electronic control, maintenance and energy management systems. With three sizes for AC applications and one size for DC applications, 3WA air circuit breakers cover a power range from 630 A to 6,300 A. They are available in 3 and 4 pole versions. 6 3AH3 Vacuum Circuit-Breakers · Siemens HG 11.03 · 2018 3AH3 vacuum circuit-breaker from 7.2 kV to 36 kV - The Powerful Circuit-breakers must make and break all currents within the scope of their ratings