Compact modular ring lug terminals replace barrier blocks

Phoenix Contact open-style ring screw (RSC) and ring bolt (RBO) lug connection terminals are designed to replace traditional barrier blocks.

06/20/2011


Available in 9 and 13 mm profiles, the Phoenix Contact RSC/RBO family is smaller than most barrier blocks, the company said. The compact size increases density within the control cabinet. Unlike barrier blocks, modular RSC and RBO terminals are available in  panel-mount or DIN rail-mount packages.

The series supports feed-through connections, disconnects and current transformer (CT) shorting within switchgear and control system applications. Used primarily in the energy/electrical power utility industry, current transformers measure current and monitor the operation of the power grid.

When current in a circuit is too high to directly apply to test or measuring instruments, a CT reduces the current proportional to the current in the circuit. Once the current is reduced, the RSC and RBO terminals can be used to short the CT secondary circuit to enable test and measurement of the circuit thereby allowing users to avoid a system outage while mitigating hazards to both equipment and personnel.

Polyamide material used in RSC and RBO terminals meets flammability class V0 per UL 94. They are UL recognized at 600 V with a range of electrical current ratings from 30 A to 45 A. Accessories include FB connection rails for power distribution, plastic touch-safe covers for operator safety, rugged end brackets and markers for increased visibility and identification.

www.phoenixcontact.com Phoenix Contact



No comments
Consulting-Specifying Engineer's Product of the Year (POY) contest is the premier award for new products in the HVAC, fire, electrical, and...
Consulting-Specifying Engineer magazine is dedicated to encouraging and recognizing the most talented young individuals...
The MEP Giants program lists the top mechanical, electrical, plumbing, and fire protection engineering firms in the United States.
Water use efficiency: Diminishing water quality, escalating costs; Lowering building energy use; Power for fire pumps
Building envelope and integration; Manufacturing industrial Q&A; NFPA 99; Testing fire systems
Labs and research facilities: Q&A with the experts; Water heating systems; Smart building integration; 40 Under 40 winners
Maintaining low data center PUE; Using eco mode in UPS systems; Commissioning electrical and power systems; Exploring dc power distribution alternatives
Protecting standby generators for mission critical facilities; Selecting energy-efficient transformers; Integrating power monitoring systems; Mitigating harmonics in electrical systems
Commissioning electrical systems in mission critical facilities; Anticipating the Smart Grid; Mitigating arc flash hazards in medium-voltage switchgear; Comparing generator sizing software
As brand protection manager for Eaton’s Electrical Sector, Tom Grace oversees counterfeit awareness...
Amara Rozgus is chief editor and content manager of Consulting-Specifier Engineer magazine.
IEEE power industry experts bring their combined experience in the electrical power industry...
Michael Heinsdorf, P.E., LEED AP, CDT is an Engineering Specification Writer at ARCOM MasterSpec.