Installation Manual Power-to-the-Antenna Box (PTTA) Power distribution with circuit breaker and surge protection type 1/2 Circuit Breaker Specification Features • Circuit breaker type 5SY4120-7 with 20 A rated current • Switching capacity 6 kA • The devices are approved for worldwide use according to IEC standards for systems up to 60 V DC. Specifications miniature circuit breaker 5SY4120-7 Standards EN 60898-1, EN 60947-2 Operational voltage Rated current (at 30 °C) 60 V DC 20 A Rated switching capacity 6 kA DC (EN 60898) Tripping characteristic Poles Conductor cross-sections C 1 pole 0.75 … 35 mm² (solid and stranded) 0.75 … 25 mm² (finely stranded, with end sleeve) Ambient temperature Storage temperature Shock Resistance to vibrations –25 °C … +55 °C, max. 95 % humidity –40 °C … +75 °C 150 m/s² for 11 ms half-sine (IEC 60068-2-27) 50 m/s² at 25 . 150 Hz and 60 at 35 Hz (4 sec) (IEC 60068-2-6) Tripping characteristic C at ambient temperature +30 °C for 5SY4120-7, rated current 20 A Standard Thermal trips Electromagnetic trips limiting test current tripping time > 1h minimum test current tripping time < 1 h hold tripping time > 0.1 s latest tripping instant tripping time < 0.1 s IEC/EN 60898–1 22.6 A (1.13 x IN) 29 A (1.45 x IN) 100 A (5 x IN) 200 A (10 x IN) Tripping characteristic C at 30 °C Reduction factor for long time current HUBER+SUHNER disclaims any liability resulting from incorrect installation and use, including any damages resulting from the use of tools and accessories other than the ones recommended herein. Any installation performed by unqualified personnel voids the product warranty provided by HUBER+SUHNER. All due care and attention must be exercised when performing the installation of these products. For advice concerning the general handling of these products please contact HUBER+SUHNER. HUBER+SUHNER is certified according to EN(AS) 9100, ISO 9001, ISO 14001, ISO/TS 16949 and IRIS. Waiver: Fact and figures herein are for information only and do not represent any warranty of any kind. Document: DOC-0000661640/ Rev. B / Date of publication: 14.01.2021 / uncontrolled copy www.hubersuhner.com Page 4/8
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