Description
Circuit Breakers Low Voltage ABB – SACE Isomax
SACE Isomax S series ranged from S1 to S8 with rated uninterrupted currents Iu from 125 to 3200A with ultimate rated breaking capacity Icu from 10 to 200kA (380-415V).
These devices were developed for AC and DC distribution and were available in fixed, plug-in and withdrawable version.
SACE Isomax S series included current-limiting circuit breakers, residual current circuit breakers, switch disconnectors, circuit breakers for motor protection and for applications with voltages up to 1000V as well as a specific range which complies with the North American UL489 and CSA C22.2 standards.
Circuit Breakers SACE Isomax S4, S5, S6, S7, S8 could be equipped with microprocessor based releases PR211/P, PR212/P and PR212/MP with functions suitable also for motor protection.
Circuit Breakers SACE Isomax S1, S2, S3, S5, S6 could be equipped with thermomagnetic releases or only with magnetic release for instantaneous protection.
Service solutions
| Retrofit kits – Hard Bus Retrofill of S8 with Tmax T8 (IEC/UL) – Hard Bus Retrofill of S7 with Tmax XT7-Emax 2 E1.2 (IEC) – Direct Replacement of S7 with Tmax XT7 (IEC) |
| Spare parts |
| Maintenance and repairs – Preventive maintenance – Corrective maintenance |
| Replacement – Available for S3…S6 1000V |
ABB Isomax molded case circuit breakers are modern, innovative units designed after extensive analysis of the demands of todayʼs market. These new units embody all the experience and advances derived from ABBʼs previous highly successful and acclaimed range of circuit breakers. ABB Isomax circuit breakers are designed for the total safety of both operators and systems. This complete and versatile series of circuit breakers
can satisfy the most demanding system specitcations.
ABB Isomax circuit breakers are ideal for all electrical power generation and distribution applications. The Isomax series maximizes safety and dependability for all power users. The new line is particularly suitable for applications involving special protection coordination needs and automated control systems.
ABB Isomax units also satisfy the most demanding requirements for rated current and fault current levels
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