ATC DIVERSIFIED ELECTRONICS

Socket-mounted relays, such as the SLA Series phase monitor (e.g., SKU 896DL4), plug into a compatible relay socket, allowing for quick replacement without rewiring. Surface-mounted relays, like the SLD Series (e.g., SKU 896DL7), are designed for direct panel mounting with screw terminals. Both types perform similar monitoring functions, but the mounting method affects installation and maintenance. Socket-mounted models are often chosen for ease of field replacement, while surface-mounted models may be preferred where space or vibration considerations favor direct mounting. The choice depends on panel design and wiring preferences.

ATC phase monitor relays cover a range of input voltages. For example, the SLA Series socket-mounted relay (SKU 896DL4) accepts 190 to 270V AC, while the SUA Series (SKU 896DM3) operates at 430 to 480V AC. The SLD Series (SKU 896DL7) monitors 440 to 480V AC, and the SLM Series (SKU 896DL8) handles 440 to 490V AC. These ranges accommodate common three-phase industrial voltages, including 120V, 240V, 480V, and 600V systems, depending on the specific model. Always verify the relay's input voltage matches the system voltage to ensure proper operation and protection.

ATC relays monitor several parameters critical to three-phase power systems. Phase monitor relays detect phase loss, phase sequence, and phase unbalance. For instance, the SLM Series (SKU 896DL8) monitors phase unbalance, while the SLA Series (SKU 896DL5) monitors phase loss. Voltage sensor relays, such as SKU 896DN0 and SKU 896DM8, monitor under-voltage conditions with adjustable pick-up and drop-out ranges. Time-delay relays (e.g., SKU 896DJ3) provide adjustable timing for sequencing or delay-on operations. These monitoring functions help protect motors and other equipment from damage due to abnormal power conditions.

Some ATC Diversified Electronics relays carry CSA and cURus approvals. For example, the SUA Series phase monitor relay (SKU 896DM3) is listed with CSA and cURus. These approvals indicate compliance with applicable North American safety and performance standards. However, not all models may carry the same approvals, so it is important to check the specific product documentation for the exact certifications. When selecting a relay for a particular installation, verify that the chosen model meets the required approval for the jurisdiction and application.

ATC Diversified Electronics offers time-delay relays with adjustable timing ranges. For example, the surface-mounted time-delay relay (SKU 896DJ3, MPN 653-8-5000) provides a timing range from 0.001 seconds to 200 hours. This wide range allows for precise control in applications such as sequencing equipment start-up, delay-on energization, or interval timing. The relay operates on 120V AC and is socket-mounted for ease of installation. Adjustments are typically made via onboard potentiometers or selectors, depending on the model. Consult the datasheet for specific adjustment methods and repeat accuracy.

3G Electric supplies ATC Diversified Electronics relays globally, providing technical buyers with access to the product line for industrial control and power monitoring applications. The catalog includes detailed specifications for each model, such as input voltage, monitored parameters, mounting type, and terminal count, enabling engineers and procurement specialists to select the appropriate device. 3G Electric can assist with cross-referencing part numbers, identifying replacements, and sourcing hard-to-find items. For quotes or technical inquiries, contact 3G Electric with your requirements, and the team will respond with availability and lead time information.