Trayer Engineering Corp.
San Francisco, CA 94107
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Overhead Distribution Switches withstand hurricane conditions.
Offered with 5, 15, and 25 kV ratings, ALTA Series mounts on steel-reinforced, concrete poles and withstands Category 5 hurricane strength winds, rain, dust, and debris. Storm-hardened systems are made- of liquid-insulated, motor-operated vacuum switch and IP68-rated, heated control cabinet. Vacuum switch is equipped with field-replaceable porcelain bushings with provision for lightning...
Read More »Power Distribution Switchgear protects spot networks.
Designed to assure reliable service to critical and sensitive loads, self-contained PNP Series provides simultaneous connection of load from 2 independent feeders.- Should fault be detected on either feed, vacuum fault interrupter disconnects spot network from fault while providing uninterrupted primary power to load. Offered with 5, 15, and 25 kV ratings in padmount and submersible...
Read More »Automatic Transfer Switches come in 10-cycle or 10-sec versions.
Available in 10-cycle high-speed or 10-sec switching configurations, Automatic Transfer Switch (ATS)- provides automated electrical switching per utility-defined criteria. ATS will switch automatically to separate line/way when primary line voltage drops below programmable level. In response to demand, 10-Cycle ATS provides programmable opening/closing of electrical source at one-sixth...
Read More »Medium Voltage Switchgear features maintenance-free design.
Designed to replace live-front, air-insulated, fused-fault interrupters, 3000 Series 15/25 kV, 3-phase automatic switchgear features high-reliability vacuum fault interrupters (VFIs) and integrates tri-phase visible disconnect switch. This sealed, dead-front, microprocessor-based relay-controlled, liquid- or gas-insulated vacuum switchgear is rated at 600 A continuous current and capable of up to...
Read More »Overhead Distribution Switches withstand hurricane conditions.
Offered with 5, 15, and 25 kV ratings, ALTA Series mounts on steel-reinforced, concrete poles and withstands Category 5 hurricane strength winds, rain, dust, and debris. Storm-hardened systems are made- of liquid-insulated, motor-operated vacuum switch and IP68-rated, heated control cabinet. Vacuum switch is equipped with field-replaceable porcelain bushings with provision for lightning...
Read More »Power Distribution Switchgear protects spot networks.
Designed to assure reliable service to critical and sensitive loads, self-contained PNP Series provides simultaneous connection of load from 2 independent feeders.- Should fault be detected on either feed, vacuum fault interrupter disconnects spot network from fault while providing uninterrupted primary power to load. Offered with 5, 15, and 25 kV ratings in padmount and submersible...
Read More »Automatic Transfer Switches come in 10-cycle or 10-sec versions.
Available in 10-cycle high-speed or 10-sec switching configurations, Automatic Transfer Switch (ATS)- provides automated electrical switching per utility-defined criteria. ATS will switch automatically to separate line/way when primary line voltage drops below programmable level. In response to demand, 10-Cycle ATS provides programmable opening/closing of electrical source at one-sixth...
Read More »Medium Voltage Switchgear features maintenance-free design.
Designed to replace live-front, air-insulated, fused-fault interrupters, 3000 Series 15/25 kV, 3-phase automatic switchgear features high-reliability vacuum fault interrupters (VFIs) and integrates tri-phase visible disconnect switch. This sealed, dead-front, microprocessor-based relay-controlled, liquid- or gas-insulated vacuum switchgear is rated at 600 A continuous current and capable of up to...
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