General Purpose Relays LQ Relay

ALQ312 – 5A SPST-NO Power Relay – Panasonic

Optimize your industrial and commercial designs with the Panasonic ALQ312 power relay, delivering reliable high-current switching for demanding applications. Engineered for durability and consistent performance, this through-hole relay features silver nickel contacts and wide temperature tolerance, ensuring long-term stability in critical circuits. PCX ensures genuine Panasonic components with same-day shipping and dedicated technical support.

Key Features

• Contact Rating: 5A @ 250VAC/30VDC (150W resistive)
• Coil Voltage: 12VDC with low 16.7mA current draw
• Switching Speed: 20ms operate/release time
• Robust Construction: Silver Nickel (AgNi) contacts, Class B coil insulation
• Wide Temperature Range: -40°C to +85°C operation
• Safety Certifications: cURus, VDE, CQC approved

Technical Specifications

The ALQ312 is a SPST-NO (1 Form A) non-latching relay with 720Ω coil resistance, providing fail-safe operation. It features PC pin through-hole mounting for secure PCB integration. With a maximum switching load of 1250VA, it supports AC/DC loads while meeting stringent reliability thresholds: guaranteed actuation at 9VDC and release at 0.6VDC. The relay’s compact design adheres to Panasonic’s ALQ series standards (base PN: ALQ31).

Typical Applications

• Industrial control systems (PLC I/O modules, motor starters)
• Power management units in HVAC and appliances
• Test & measurement equipment load switching
• Telecom power distribution boards
• Safety interlocks and automation controls

About Panasonic

Panasonic Electric Works is a global leader in electronic components, renowned for innovation in relay technology since the 1950s. Their rigorous quality management systems and vertically integrated manufacturing ensure consistent product reliability, making them a preferred partner for mission-critical industrial, automotive, and energy applications.

With over 70 years of expertise, Panasonic maintains industry-leading standards through continuous R&D investment. Their relays undergo exhaustive lifecycle and environmental testing, providing design engineers with components that exceed international safety certifications while reducing system failure risks.

About Power Relays

Power relays (rated >2A) are electromagnetic switches that isolate control circuits from high-power loads. They protect sensitive electronics like microcontrollers by handling heavy currents in industrial machinery, power supplies, and automotive systems. Unlike signal relays, they prioritize arc suppression, contact durability, and thermal stability.

Selecting the right power relay involves evaluating voltage/current ratings, switching speed, temperature resilience, and certifications. Relays like the ALQ312 offer optimized balance between electrical performance and mechanical endurance, preventing contact welding or degradation in high-stress environments while ensuring decades of maintenance-free operation.

Packaging

This relay is supplied in protective box packaging, safeguarding components during transit and storage. For bulk orders, contact PCX for custom packaging solutions.

FAQs

Q: What does SPST-NO (1 Form A) mean?
A: Single-Pole Single-Throw, Normally Open configuration. Contacts close when energized, handling one circuit path.

Q: Is this relay suitable for automotive applications?
A: Yes, its -40°C to 85°C range and vibration resistance make it ideal for automotive controls, though verify specific OEM requirements.

Q: Can it switch inductive loads like motors?
A: Absolutely. The 1250VA rating supports inductive loads; pair with suppression circuits for optimal longevity.

Q: How does non-latching operation work?
A: Contacts return to the default (open) state when power is removed, ensuring fail-safe disconnection.

Q: Are third-party equivalents reliable?
A: PCX recommends genuine Panasonic relays for guaranteed performance. Counterfeit parts risk premature failure and safety violations.

Q: Where can I find the datasheet?
A: Access the ALQ312 datasheet on PCXCo.com for schematics and test curves.

Order Now

Design with confidence using Panasonic’s proven ALQ312 power relay. Order from PCX today for same-day shipping and expert component support!

Product images are representational. Specifications subject to manufacturer documentation.