Relays

Leading Manufacturer, Supplier & Retailer of Operated Disconnect Relay, High-Amp Relay, Electronic Dual Relay, Earth-Leakage Relay and Arc-Flash Relay.

Operated Disconnect Relay

Series HD Series

Remotely operated disconnect for high-amp circuits Eliminates cost of routing heavy gauge cables to user accessible mechanical disconnect switchesBi-stable mechanism draws no current in the ON or OFF states Supports high amperage intermittent and continuous current loads LED output wire allows remote indication when device is open or closed Stainless steel hardware, tin-plated copper studs and silver alloy contactsSeries:

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High-AMP Relay

Series SD Series

Eliminates the cost and weight of routing large copper cables to operator accessible locations through remote operation via small control wires Supports new USDOT 11579 requirements for hazardous material transportation vehicles (Section 7.C.12) Great choice for high continuous current passage, large engine starting needs and high ambient temperature Auxiliary Relay Contact for Alternator Field Disconnect (AFD) or for additional vehicle system control Dedicated 24 Hour output, thermally protected, for tachograph or other keep-alive functions Supports multiple E-stop OFF Switches Ignition protected to SAE J1171 and ISO 8846 for installation in a battery box or on vehicles carrying hazardous loads Fault-tolerant, closed-loop control system eliminates inadvertent OFF operation Bi-stable internal relay; 20mA continuous current

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Electronic Dual Relay

Series Electronic Dual Solid-State Relay

Functions as a Normally Off relay or as a Latching Relay, depending on which wires are connected by the user. For use on all vehicle electrical systems such as heavy truck, off-road, construction, material handling, refuse collection or marine. 200A at 12V DC - big enough to control most onboard equipment. The Dual Relay is non-arcing and ignition-protected. Solid-state reliability withstands conditions that would kill an electromechanical solenoid and stands up to roadsplash and vibration. Low control current and quiescent current make this Dual Relay ideal for idle reduction, battery saving, and electronic control applications. Allows electronic systems to directly drive a high current switch without the need for an extra relay. Easy to install. Safe operation protected against misconnect, overcurrent, short circuit and overheating. Optional; remote status LED gives warning to vehicle operator

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Earth-Leakage Relay

Series EL731

Operates on AC resistance grounded systems and DC grounded systems.The EL731 is a microprocessor-based ACDC Sensitive Earth-Leakage Relay that offers complete coverage for all frequencies from 0-6, 000 Hz. Two CTs are required for the entire frequency range, or one CT can be used for only low-or high-frequency detection. An RTDPTC sensor input allows over-temperature protection. The EL731 offers metering capabilities, password-protected alarm and trip settings and optional network communications. It is used to add low-level ground-fault protection to variable-speed drives, and to dc currents. COMPUTER TO RELAY CONNECTIONConnect the EL731 to the network using a standard Ethernet patch cable. Use of a crossover cable to connect the EL731 directly to the computer running IP-Config is not recommended. A typical router will assign an IP address to all connected computers that are using DHCP. The EL731 does not support the use of DHCP. If the EL731 is being set-up for first time, it is recommended to only have one EL731 connected to the network to prevent communication error

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ARC-Flash Relay

Series PGR-8800

The PGR-8800 is a UL and cUL Listed Arc-Flash Relay that reliably detects developing Arc-Flash incidents without nuisance tripping by looking for a combination of excess light and current. Phase-current-transformer inputs are provided for current-constrained arc-flash protection and, when so equipped, a programmable definite-time overcurrent function can be enabled. An optical sensor on the PGR-8800 and adjustable trip level reduce the chance of nuisance tripping by setting a threshold for ambient light. Sensors, inputs, and connections are monitored to ensure fail-safe operation. A secondary solid-state trip circuit provides a redundant trip path. A USB port is used for configuration and access event logs and graphs

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