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  12-24KV Ring Main Unit SafeRing/SafePlus

SafeRing is a ring main unit for the secondary distribution network. SafeRing can be supplied in 10 different configurations suitable for switching applications in 12/24 kV distribution networks. SafeRing can as an option be delivered as extendable ring main unit.

SafeRing combined with the SafePlus concept, which is ABB’s flexible, modular compact switchgear represent a complete solution for 12/24 kV secondary distribution networks. 

SafeRing and SafePlus have identical user interfaces.
SafeRing is a completely sealed system with a stainless steel tank containing all the live parts and switching functions. A sealed steel tank with constant atmospheric conditions ensures a high level of reliability as well as personnel safety and a virtually maintenance-free system. 

The SafeRing concept offers a choice of either switch-fuse combination or circuit-breaker with relay for protection of the transformer. SafeRing can be supplied with an integrated remote control and monitoring unit.



SafePlus is a metal enclosed compact switchgear system for up to 24 kV distribution applications. The switchgear has a unique flexibility due to its extendability and the possible combination of fully modular and semi-modular configurations. SafePlus combined with SafeRing, which is ABBs standard ring main unit, represent a complete solution for 12/24 kV distribution networks. SafePlus and SafeRing have identical user interfaces. 

SafePlus is a completely sealed system with a stainless steel tank containing all live parts and switching functions.
A sealed steel tank with constant atmospheric conditions ensures a high level of reliability as well as personnel safety and a virtually maintenance-free system. As an option external busbars can be provided to obtain full modularity. 
The external busbar kit has to be mounted to the switchgear on site. It is fully insulated and screened to ensure reliability and climatic independence. 

The SafePlus system offers a choice of either switch-fuse combination or a circuit-breaker with relay for protection of the transformer. 
SafePlus accommodates a wide selection of protection relays for most applications.
SafePlus can also be supplied with remote control and monitoring equipment.



 
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99 Moo 8, Soi Wat Pra Ngern, Kanchanaphisek Rd., Bangmuang, Bangyai, Nonthaburi 11140, Thailand
Tel. 0-2903-9999, 0-2443-6999 Fax. 0-2903-9939 E-mail : pmkgroup@pmk.co.th
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