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Circuit Protectors feature resettable design.

March 2, 2007 - PolySwitch(TM) LVR series helps protect electric motors and transformers used in appliances from failures caused by mechanical overloads, overheating, stall, lost neutral, and other conditions. Because products do not require replacement after fault event, their resettable functionality and latching attributes suit intermittent- and continuous-operation applications. Included components are rated for line voltages of 120 and 240 Vac, for up to 2 A of operating current at 20°C.

Related categories: Electrical Equipment and Systems

Archive Press Release
(Products mentioned in this Archive Press Release may or may not be available from the manufacturer.)

Release date: February 26, 2007

New PolySwitch Device Helps Protect Electric Motors and Transformers from Overcurrent and Overtemperature Damage

Line-voltage rated circuit protection devices are introduced for appliance designs.

MENLO PARK, Calif.-February 26, 2007-Raychem Circuit Protection, a business unit of Tyco Electronics, has announced the introduction of its PolySwitch(TM) LVR series of resettable circuit protection devices. PolySwitch LVR devices help protect electric motors and transformers used in commercial and home appliances from failures caused by mechanical overloads, overheating, stall, lost neutral and other potentially damaging conditions.

The PolySwitch LVR series includes components that are rated for line voltages of 120 VAC and 240 VAC, for up to 2A of operating current at 20°C. They offer low resistance, fast time-to-trip, a low profile, and resettable functionality to help circuit designers provide a safe and dependable product, comply with regulatory agency requirements, and reduce warranty repair costs.

"The increasing sophistication and complexity of home and professional grade appliances is driving the need for more rugged and reliable resettable circuit protection devices," said Faraz Hassan, industrial/appliance marketing manager for Raychem Circuit Protection products. "When used in line voltage installations, PolySwitch LVR devices can help reduce warranty returns resulting from motor failure - in a simple and cost-effective manner."

Unlike single-use fuses, PolySwitch devices do not require replacement after a fault event. After the overcurrent condition is eliminated and power has been removed, the circuit is restored to normal operating condition. Compared to bimetal breakers, they offer greater flexibility, longer lifespan, and lower electromagnetic interference (EMI).

The PolySwitch LVR devices' resettable functionality and latching attributes make them a reliable, cost-effective circuit protection solution for both intermittent and continuous-operation motor applications.

PolySwitch LVR devices also help prevent damage where faults may cause a rise in temperature with only a slight increase in current draw. When installed on the primary side of a transformer circuit, in proximity to heat-generating components such as magnetics, field-effect transistors (FETs), or power resistors, the PolySwitch LVR device helps provide both overcurrent and overtemperature protection with a single installed component.

The RoHS-compliant devices are widely used and are compliant with the UL 1434 standard, and are compatible with lead-free solders and high-volume assembly processes. For further information or technical assistance, call (800) 227-7040, or visit www.circuitprotection.com

Published Prices: $0.306 LVR100S,
$0.254 LVR075S,
$0.338 LVR125S,
$0.450 LVR200S

Availability: Samples available now
Delivery: 8-10 weeks ARO

About Tyco Electronics
Tyco Electronics, a business segment of Tyco International Ltd., is the world's largest passive electronic components manufacturer; a world leader in cutting-edge wireless, active fiber optic and complete power systems technologies; and a provider of premise wiring components and systems. Tyco Electronics provides advanced technology products from over forty well-known and respected brands, including Agastat, Alcoswitch, AMP, AMP NETCONNECT, Buchanan, CII, CoEv, Critchley, Elcon, Elo TouchSystems, M/A-COM, Madison Cable, OEG, Potter & Brumfield, Raychem, Schrack and Simel. For more information, visit www.tycoelectronics.com.

Contacts:

Marketing:
Kenzie Ferguson Manager, Global Marketing Communications
USA
Phone: 800-227-7040

E-mail this person

Company Information:
Name: Tyco Electronics/Raychem.
Address: 305 Constitution Dr., Mailstop R17-1A
City: Menlo Park
State: CA
ZIP: 94025-1164
Country: USA
Phone: 800-926-2425
FAX: 800-611-2323
http://www.raychem.com

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