Diversified Technologies, Inc.    Bedford, MA 01730
Apr 29, 2013 Intended for commercial micro-grids and military DC power distribution systems, PowerMod™ Solid-State MVDC Circuit Breakers open in less than 700 ns, providing load protection in event of fault. Modules offer more than 99.7% efficiency and can switch power around fault for high uptime applications. At 10 kV, 50 Adc module measures 12 x 5 x 3 in. and is stackable for switching up to 100 kV. Modules operate fully on or fully off and provide >1 million hours predicted reliability per MIL-HDBK-217F.

ABB Ltd.    Zurich CH-8050  Switzerland
Apr 17, 2013 Emax 2 is replaces traditional breakers where protection and control of large amounts of energy are used in low-voltage environment, such as industrial and commercial buildings, data centers, or ships. To maintain or reduce peak power usage as determined by user, included protection trip relay with integrated power controller measures and evaluates energy consumption and then manages loads. Communication module allows sharing of vital data directly with smart grid and other protocols.

E-T-A Circuit Breakers    Mount Prospect, IL 60056 6060
Mar 29, 2013 Offered in 1- and 2-pole configurations, Model 2216 is rated to 277 Vac/80 Vdc and offers 0.5–16 A current range. Circuit breaker and socket concept enables interchangeability of circuit breaker technology or current ratings without need to touch wiring or associated power distribution busbar system. Circuit breaker functionality resides in 12.5 mm pluggable device that is inserted into terminal block base, which comes in screw terminal or push-in spring loaded configuration.

Bentek    San Jose, CA 95131
Mar 18, 2013 With 100–400 A input flexibility, Breaker Universal Safety System is highly configurable, allowing up to fourteen 1,000 Vdc 100% rated circuit breakers that provide over current protection along with NEC 2011 compliant individual disconnects and zone current monitoring. Common output BUSSbar connects to virtually any inverter input bus bar. Available in both grounded and ungrounded versions, BUSS allows PV designers to standardize on PV designs independently of DC inputs in inverter.

Crouse-Hinds Div., Cooper Industries, Inc.    Syracuse, NY 13221
Mar 04, 2013 Offering NEC and CEC certifications, SynergEX Panelboard operates in varied environmental conditions, including temperature extremes from -40 to 55°C and hazardous gases. Breakers are individually encapsulated without any bolts or screws. Featuring finger-safe design to prevent contact with live parts, panelboard provides overcurrent and short circuit protection for low voltage power, lighting, and heat tracing applications in indoor and outdoor hazardous areas.

Sensata Technologies - Industrial Sensors Group    Attleboro, MA 02703
Feb 28, 2013 Rugged, ignition-protected, and weatherproof SDLS series, available from 35–150 A @ 30 Vdc, has Klixon trip-free design as well as SAE J1625 and SAE J1171 approvals and meets 5,000 A @ 12 Vdc for interrupt capacity per ABYC E-11. FDLS series is similar but comes in surface mount version with switchable manual reset. Housing material is able to accommodate heavy gauge wire lugs across terminal studs. Both series serve truck, bus, specialty vehicle, electric vehicle, and marine markets.

ABB Inc.    Auburn Hills, MI 48326
Feb 04, 2013 Featuring embedded pole technology, R-MAG Outdoor Vacuum Circuit Breaker is capable of interrupting up to 40 kA at 38 kV with single vacuum interrupter per phase. Magnetic actuator has only one moving part and requires no regular maintenance. Embedded in solid insulating material, breaker is insulated from external effects of mechanical shock, dust, and humidity. It offers extended capabilities of 10,000 load operations, which is 5x IEEE requirements for endurance capabilities.

Eaton Corp.    Pittsburgh, PA 15272
Dec 14, 2012 Utilizing vacuum interrupting technology, 38 kV Series VCPW-HD switches normal load currents and high-stress fault currents, protecting transformers, capacitor banks, motors, busbar sections, and cable. Modular design has dielectric strength with solid insulation that is encapsulated in epoxy resin material, eliminating live conductors in breaker cell. Providing current ratings up to 32 kA without fan cooling, breakers withstand high altitude, shock, vibration, and high ambient temperatures.

Automation Systems Interconnect Inc.    Mechanicsburg, PA 17055
Dec 07, 2012 UL489 listed for branch circuit protection from 1–32 A, NDB2T series can be ordered in one, two, or three pole in industry-standard B, C, and D trip curves – all with 10 kA interrupt capacity. Products are 300% tested at factory and feature visual color-coded trip indicator as well as shock-proof screw clamp connections. Occupying 18 mm footprint, RoHS-compliant products may be used as drop-in replacements for most industry-standard circuit breakers.

ABB Ltd.    Zurich CH-8050  Switzerland
Dec 03, 2012 Available in 1, 2, 3, and 4 pole configurations, S200PR Ring Tongue, Supplemental Protection miniature circuit breakers feature lug connections and captive screws that protect against inadvertent loosening. Units are rated for current from 0.2-63 A and conform to UL1077, CSA 22.2 No. 235, and IEC /EN 60947-2 standards. Included Contact Position Indicator shows actual contact position, allowing display of fault conditions such as welded closed contacts.

GE Co.    Southfield, MI 48034
Oct 08, 2012 Featuring instantaneous zone-selective interlocking (I-ZSI) and waveform recognition (WFR) technologies, Evolution™ Series provides users with combination of full selective coordination and simultaneous arc flash protection. Integrated technologies enable multiple layers of circuit breakers to operate as one unified system. When responding to fault, switchboard has intelligence to tell circuit breakers to respond either immediately or as backup according to situation at hand.

Eaton Corp.    Pittsburgh, PA 15272
Sep 24, 2012 Sealed from dust and contaminants, medium voltage W-VACiMB Circuit Breakers protect transformers, capacitor banks, motors, busbar sections, and cable. Units feature modular design consisting of vacuum interrupter, encapsulated pole unit, and universal mechanism assembly. Housed in 18 x 18 x 18 in. package, 17.5 kV breakers serve both 50 and 60 Hz segments of underground mining industry, and meet/exceed requirements of E2 and M2 in accordance with IEC 62271-100.

Schurter, Inc.    Santa Rosa, CA 95403
Sep 13, 2012 Available in 1-, 2-, and 3-pole versions with illuminated or non-illuminated rocker switch, TA35 features thermal overload protection and is offered with protective cover that is antibacterial effective according to ISO 22196. IP65-rated product, which is cURus and VDE approved, withstands use of common cleaning agents and disinfectants, is designed for snap-in mounting in panels from 1–4 mm thick, and comes with 6.3 x 0.8 mm terminals. Rated currents range from 50 mA to 20 A.

ABB Inc.    Wickliffe, OH 44092
May 04, 2012 72PM40-30B dead tank gas circuit breaker serves ratings as low as 15 kV up to 72.5 kV, with interrupting performance up to 40 kA, and continuous current ratings through 3000 A for power transmission and distribution systems. Breaker is rated for maximum applications of M2 (10,000 operations mechanical endurance), C2 (capacitor switching endurance), cap switching factor of 1.4, and first-pole-to-clear factor (defines most severe TRV requirements) of 1.5.

Appleton    Rosemont, IL 60018
Apr 06, 2012 Suitable for use on lighting, heat trace, and power circuits, PowerPlex(TM) is available with bus bar system, which replaces standard hard-wired system and does not require rewiring if branch circuit ampacity increases. Rated at 100 A, bus bar provides resistance to short circuits and mechanical failures. PowerPlex, engineered for Class I Zone 1 and Class I Division 2 environments, transfers flamepath protection from enclosure to individual circuit breaker housings.

ABB Automation    New Berlin, WI 53151
Mar 22, 2012 Dedicated to common, general-use applications, 2.36 in. deep FORMULA UL series includes A1 and A2 frames that reach 100 and 250 A, respectively. Each is available in 1-, 2-, and 3-pole varieties in fixed version with front terminals standard. Protection trip units are fixed thermal and magnetic threshold values, allowing precise selection and facilitated commissioning for protection of networks in alternating current installations. Max breaking capacity is 25 kA at 240 Vac.

ABB Ltd.    Zurich CH-8050  Switzerland
Feb 29, 2012 Equipped with RER620 Intelligent Electronic Device, 3-phase GridShield® features single-phase tripping capabilities. Unit has modular pole assembly and can function as recloser, sectionalizer, or automated load break switch. Offering integrated loop control, RER620 comes standard with fully implemented IEC 61850 and GOOSE messaging features, as well as inrush detection for use in distributed generation applications, and high impedance fault detection for downed conductor detection.

Weidmuller, Inc.    Richmond, VA 23236
Feb 28, 2012 Approved for Zone 2 hazardous areas, Model ESX10-TC uses active current limitation and ensures selective disconnection of 12 Vdc load systems in factory and process control applications. DIN rail-mount device, measuring 12.5 mm wide, includes remote reset or on/off control, cross-connection busbars, and integral multi-color LED status indicator. Typical process applications include remote, unmanned equipment where lightning or other transient surges trip protection equipment.

TE Connectivity Ltd.    Berwyn, PA 19312
Jan 19, 2012 Providing electro magnetically operated system for 25 kV and 15 kV vehicles, VESA VCB is qualified for high- and medium-speed trains and operates successfully in range of varying weather and climate conditions. Unit can be customized with earthing arms, various operating voltage options, and integration of additional control relays and feedback switches. With self-cleaning insulators and minimized reliance on pneumatic systems, maintenance time is reduced.

Russelectric, Inc.    Hingham, MA 02043
Jan 09, 2012 Rated for 5-15 kV, Medium-Voltage Circuit Breaker-Type Switches transfer electrical loads between normal and emergency power sources through controlled opening and closing of circuit breakers. Units may be configured for open- or closed-transition transfer, and all switch functions are controlled via RPTCS programmable microprocessor-based system. Though designed for unattended operation, switches include controls for manual operation and provide protection for personnel.