Relays protect utility equipment.

Press Release Summary:

Series 24 Type WL-2 and WL Lock-Out Relays feature manual-, electric-, or self-reset capability. Manual-reset LORs have nominal trip speed of less than 8 msec. Electric- and self-reset models are available in standard-speed (12 to 15 msec) or high-speed (8 msec or less) trip configuration. Maximum of 10 decks can be stacked in one relay, providing 2 N/O and 2 N/C contacts per deck. Contacts are rated at 60 A for 1 min and 30 A for continuous current.

Original Press Release:

Reliable Lock-Out Relays Protect Utility Equipment

WEYMOUTH, MA - Electroswitch introduces its complete line of Lock-Out Relays (LORs) for the electric power industry. To protect (lock out) critical utility equipment, Electroswitch offers their Series 24, Type WL-2, and Type WL Lock-Out Relays to meet virtually any application requirement.

The Series 24 LORs feature manual-, electric-, or self-reset capability. Manual-reset models are reset by the operator turning the handle back to normal. Electric-reset models can be reset either manually or through a command from supervisory control. Self-reset LORs will reset automatically once the trip has been cleared (either instantly or according to a factory-set time delay).

The manual-reset LOR has a nominal trip speed less than 8 milliseconds at rated voltage, as tested on 10-deck units. The electric-reset and self-reset models are available in either a standard-speed (approx. 12-15 milliseconds) or a high-speed (8 milliseconds or less) trip configuration.

All Series 24 models offer multiple decks and contacts and a selection of trip and reset coils that allows them to be configured for their application. A maximum of 10 decks can be stacked in a single relay, providing up to 40 independent contacts (2 N/O and 2 N/C contacts per deck). Contacts are rated at 60 amps for 1 minute and at 30 amps for continuous current in a range of 125-250 VDC or 120-600 VAC. Series 24 models comply with UL, CSA, and Nuclear Class 1E safety standards.

All Series 24 LORs are available with built-in coil monitoring and fault signal detection indication; the standard nameplate includes a mechanical target (black for reset, orange for trip). The Series 24 is also available with the Electroswitch "Smart" Lighted Nameplate, which incorporates up to three target LEDs into a traditional nameplate footprint.

The Electroswitch Type WL-2 LORs were originally designed and manufactured by Westinghouse. Electroswitch acquired this product line in 1988 and now offers these relays for new applications or as replacement units. Available with or without handle-trip capability, these relays feature a low-current magnetic trip mechanism.

The Type WL LOR product line was also acquired from Westinghouse in 1988, and Electroswitch can provide replacement units for virtually all models still in service. These are available with or without handle-trip capability.

Electroswitch is the industry leader in the design, manufacture, and marketing of tough, reliable switches, relays, and other electrical systems products for utility, industrial, and military environments. The Electroswitch line of standard products is complemented by the company's proven ability and willingness to modify, custom design, and test their switches and relays for virtually any application. The company takes pride in meeting customer delivery requirements, no matter how stringent.

For more information, contact Mr. William Conklin, National Sales Manager, Electroswitch, 180 King Avenue, Weymouth, MA 02188, TEL: (781) 335-5200, FAX: (781) 335-4253,

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