Applications :

General introduction STD4 * Series Terminal Apparatus Combination Units are constructed with novel style,artistic outward,mild lustre,compact volume,and light weight.The enclosure is made of flame-retardant high-grade project plastics with high shock resistance.They suit for the needs of modern building and family decoration on performance and outward appearance of low-voltage terminal combinaton unit.Combination Unit is comprised of enclosure,cover,front door,earthing bar,neutral bar,mounting rail,etc. When gently push the opening key,the front door will be opened automatically.Power pilot is designed on the cover,and the knock-out holes are located on four sides of the enclosure for convenient installation.STD4 * Series Terminal Apparatus Combination Units are classified to STD41 Type and STD42 Type according to combined electrical elements. Model STD42 Terminal Apparatas Combination Units,selecting DZL199 Miniature Circuit Breaker as the inner combination elements,are designed with compact volume,larger space in the enclosure,convenient connection.They are suitable for AC 50Hz illuminating and small dynamic electric circuit in single phase,three wire system with rated voltage 230V,rated current up to 32A.used to protect against earth leakage,overload and short-circuit,and for unfrequent making and breaking of circuit.Simultaneous open of phase pole and neutral pole complys with the requirement of circuit breaker for shunt circuit protection according to shanghai municiple standard(Design standard of residence building)(DBJ08-20-98). The Combination units may be widely used in commercial buildings,residences and similar sites.

型号说明:

STD41 系列终端组合电器品种规格及主要技术性能见表1
Specification and main technical performance of Model STD41 Terminal Apparatus Combination Unit are given in table 1