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ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay: 440 to 480V AC - Phase & Under-Voltage Monitoring Surface-Mount Relays
ATC DIVERSIFIED ELECTRONICSPhase & Under-Voltage Monitoring Surface-Mount Relays

ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay: 440 to 480V AC

The ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay, part of the SLD Series (MPN SLD440ALE), is a phase and under-voltage monitoring surface-mount relay. It accepts an input voltage of 440 to 480V AC and monitors for…

SKU 3G-OTH-39314

Brand
ATC DIVERSIFIED ELECTRONICS
Item
Phase Monitor Relay: 440 to 480V AC
Category
Phase & Under-Voltage Monitoring Surface-Mount Relays
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Technical Specifications

ATC DIVERSIFIED ELECTRONICS
Manufacturer Part Number
SLD440ALE
Series
SLD Series
Input Voltage
440 to 480V AC
Monitored Parameters
Phase Loss
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ATC DIVERSIFIED ELECTRONICS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay, part of the SLD Series (MPN SLD440ALE), is a phase and under-voltage monitoring surface-mount relay. It accepts an input voltage of 440 to 480V AC and monitors for phase loss. This device is designed for industrial applications requiring reliable phase monitoring.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the ATC DIVERSIFIED ELECTRONICS SLD440ALE phase monitor relay used for?

The ATC DIVERSIFIED ELECTRONICS SLD440ALE phase monitor relay is used to detect phase loss in three-phase industrial equipment. It protects motors, compressors, and pumps from damage caused by unbalanced or missing phases, ensuring reliable operation in manufacturing and process control environments.

What are the specifications of the ATC DIVERSIFIED ELECTRONICS SLD440ALE?

The ATC DIVERSIFIED ELECTRONICS SLD440ALE is part of the SLD Series. It accepts an input voltage of 440 to 480V AC and monitors for phase loss. This surface-mount relay is designed for industrial phase and under-voltage monitoring applications.

Where to buy the ATC DIVERSIFIED ELECTRONICS SLD440ALE worldwide?

You can source the ATC DIVERSIFIED ELECTRONICS SLD440ALE through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct phase monitor relay for your application.

How to install the ATC DIVERSIFIED ELECTRONICS SLD440ALE phase monitor relay?

Mount the SLD440ALE on a DIN rail or surface, connect the three-phase input voltage (440 to 480V AC) to the appropriate terminals, and wire the relay output to your control circuit. Always follow standard electrical safety practices and consult the manufacturer's datasheet for precise wiring diagrams.

Used in

Common applications for ATC DIVERSIFIED ELECTRONICS
Industrial motor protection — ATC Diversified Electronics SLU-100 series phase monitor relay for three-phase motor control panels
Hazardous environment safety — ATC Diversified Electronics ISO120AFN safety monitoring relay for intrinsically safe circuits in chemical plants
Pump alternation — ATC Diversified Electronics ARM2003 alternating relay for sequencing dual pumps in wastewater treatment
Undervoltage protection — ATC Diversified Electronics UOA240AFA voltage sensor relay for monitoring 240V AC supply in manufacturing equipment
Time-delay control — ATC Diversified Electronics 339B200Q2X time-delay relay for adjustable on/off delays in conveyor systems
Voltage monitoring — ATC Diversified Electronics TDT120AKA060 voltage sensor relay for 110/240V AC/DC systems in HVAC controls

ATC DIVERSIFIED ELECTRONICS Products

3G Electric supplies ATC DIVERSIFIED ELECTRONICS phase & under-voltage monitoring surface-mount relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay: Socket Mounted, 430 to 480V AC, SLA Series (MPN SLA440ASA). Key specifications — Series: SLA Series; Input Voltage: 430 to 480V AC; Monitored Parameters: Phase Loss; Manufacturer Part Number: SLA440ASA; Brand: ATC DIVERSIFIED ELECTRONICS.
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ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay: Socket Mounted, 430 to 480V AC, SLA Series (MPN SLA440ASA). Key specifications — Series: SLA Series; Input Voltage: 430 to 480V AC; Monitored Parameters: Phase Loss; Manufacturer Part Number: SLA440ASA; Brand: ATC DIVERSIFIED ELECTRONICS.
ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay: Socket Mounted, 190 to 270V AC, SLA Series (MPN SLA230ALA). Key specifications — Series: SLA Series; Input Voltage: 190 to 270V AC; Monitored Parameters: Phase Sequence; Manufacturer Part Number: SLA230ALA; Brand: ATC DIVERSIFIED ELECTRONICS.
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ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay: Socket Mounted, 190 to 270V AC, SLA Series (MPN SLA230ALA). Key specifications — Series: SLA Series; Input Voltage: 190 to 270V AC; Monitored Parameters: Phase Sequence; Manufacturer Part Number: SLA230ALA; Brand: ATC DIVERSIFIED ELECTRONICS.
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ATC DIVERSIFIED ELECTRONICS Phase Monitor Relay: Socket Mounted, 190 to 270V AC, SLA Series (MPN SLA230ASA). Key specifications — Series: SLA Series; Input Voltage: 190 to 270V AC; Monitored Parameters: Phase Sequence; Manufacturer Part Number: SLA230ASA; Brand: ATC DIVERSIFIED ELECTRONICS.

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