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Our offered Product range includes bus bars, surge protection, ENGINEERED PANELS, AIR COOLED HEATSINKS and LOW VOLTAGE IEC FUSES.

bus bars

Eldre is now part of the Mersen family. Mersen is known worldwide for providing expertise to customers for safety and reliability of electrical power. With the addition of Eldre to the Mersen family, Mersen adds laminated bus bar to its extensive portfolio of products, creating a powerful bundled product offering for the protection of power electronics.

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surge protection

  • Series 50kA
  • Operating Temp °C (Min/Max) -40 to +85 °C
  • Storage Temp °C (Min/Max) -40 to +85 °C
  • Mounting Panel

Surge-Trap® STXR Series - 50kA The most popular range in the STX series offering, the Surge-Trap® Type 1 STXR meets requirements for UL1449 Fourth Edition and is ideal for the replacement of obsolete surge arrestors. The STXR Series SPD feature TPMOV® technology inside making them the safest product available. With a small, compact design and line or load installation flexibility the STXR series is the perfect fit for branch panel andor individual equipment protection. • Designed with the industry leading Mersen TPMOV® Technology • LED status indicator (ON = Good, OFF = Replace) • NEMA 4X enclosure for outdoor or indoor use • Fits 34" knockouts with 3' leads for easy installation • Optional mounting bracket for surface mount applications • Optional audible alarm and remote dry contacts • For use in ANSIUL Type 1 or 2 SPD installations • Up to 10 modes of Protection (L-N, L-L, L-G optional, N-G optional) • 5-year warranty

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  • Voltage Range (VAC) 208-600 VAC
  • Ampere Range (A) Main Bus: 250-400 A

Fused Coordination Panelboards Mersen’s Fused Coordination Panelboard is designed to meet requirements defined by the National Electrical Code (NEC) to protect critical power operations. These panels are provided with a default short circuit current rating (SCCR) of 200kA and provide overcurrent protection through a combination of a circuit breaker and a fuse. The circuit breaker is designed to operate on overloads up to 2 times their rating and the fuse over 2 times up to 200kA. Mersen’s Fused Coordination Panelboard can simplify the process in achieving code compliance for designers. FEATURES Easy selectivity ratios with upstream fuses Resettable overload protection Voltage: 120208, 120240, 277480, 347600 Main Bus: 250A or 400A, MLO, Fused Main or Non-fuse Main disconnect SCCR: 200kA Surge Protection (SPD) optional 20, 32 or 42 branch circuits Standard 20" wide Feed through lugs optional Surface mount Uses commonly available class CC & J fuses

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  • Application Communications Industrial controls Medical Military Motor drives Power controls Solar energy Transportation Wind energy
  • ROHS Compliant Consult Technical Services

Hollowfin® Heatsink The Hollowfin® heatsink is characterized by the shape of its fins which when mounted on the DF (6.86 mm) baseplate effectively duplicates the high fin density MF (3.43 mm) series, but with taller fins. A height to space ratio equivalent to 46:1 occurs when the fin height is 118 mm. The Hollowfin® is an ideal candidate to be attached to a copper baseplate to maximize performance. No glue is used in the process. FEATURES All that apply to Fabfin®. 46 : 1 fin height to spacing ratio at fin height of 118mm. Highest performance all aluminum heatsink on the market. No epoxyglue used in fabrication process.

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  • Series Ferrule fuse-links 8x31 gG 400VAC
  • Volts (VAC) 400 VAC
  • Body Style Cylindrical
  • Ampere Range (A) 5 - 25 A

Mersen aM and gG fuse-links cover a wide range of physical sizes and ampere ratings for 400, 500, and 690VAC for protection in electrical distribution circuits and various industrial applications. Most ratings are available in size 8x31 and size 10x38 with an optional indicator, and in size 14x51 and 22x58 with an optional striker to activate an auxiliary contact. Size 10x38 is also available with striker. All cylindrical fuse-links have ceramic bodies and silver-plated contacts. Cylindrical fuse-links gG are used for the protection of cables, motors and LV-networks. They limit and cut off unacceptable overcurrents and short-circuit currents up to their nominal breaking capacity. Cylindrical fuse-links gG also protect electrical equipment and installations against the dynamic effect of high short-currents. Our technology and process was designed to ensure highly reliable technical performance. FEATURES Meet IEC, NFC and UNE standard Reduced size Full range protection Safest and most reliable protection system Visual indication of fuse operation

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  • Series NH fuse-links gG 400VAC double indicator/live gripping-lugs size 000, 00, 1, 2, 3
  • Ampere Range (A) 2 - 630 A
  • Size per Standard 000 00 1 2 3
  • Standards VDE 0636 Part 201 IEC 60269-1 and -2

The NH system is classified among plug-in fuse systems and is composed of: • fuse-base (possibly including terminal covers and phase barriers) • fuse-link with blade contact • fuse-link replacement device (LV HRC fuse puller) Since the design of this system cannot guarantee non-interchangeability of rated current it must be handled by a qualified professional. Type gG NH fuse-links are full range breaking capacity fuse-links and are used to protect cables and equipment. They can interrupt any current surge, from the lowest fusing current up to their breaking capacity, and so can be used alone as protection. They also protect electrical devices and industrial set-ups from the electrodynamic effects of very high short-circuit currents. Rated Power Dissipation values of Mersen NH fuse-links 400VAC are below the maximum values required by standard IEC 60269. FEATURES Dimensions according to DIN 43 620 Parts 1 to 4 Non-isolated gripping lugs Double indicator Lead free contact blades 0% cadmium

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  • Newburyport, MA 01950 map, United States