Panasonic AHN12324 Intermediate Relay — 24VDC Coil, 10A 250VAC, 5-Pin, 10pcs/Pack

Panasonic · AHN Series · 1 Form C (SPDT) · In stock · 10pcs/pack

The AHN12324 is a Matsushita-branded Panasonic AHN-series intermediate power relay designed for interposing switching between a low-current PLC output and a higher-power load. The 24VDC coil drives a single Form C (SPDT) AgSnO2 contact rated 10A at 250VAC / 30VDC, mounted on a 5-pin plug-in base so a worn relay can be swapped in seconds on the DIN-rail socket. The 10-piece pack matches the consumption rate of a typical control panel builder or maintenance shop — useful when you are wiring multiple motor starters, solenoid valves, or indicator circuits on the same factory automation project.

Key Technical Specifications & Overview

The AgSnO2 contact set is the defining engineering detail of the AHN line. Silver tin oxide tolerates the high inrush current seen when a contactor coil or solenoid first energises, so the relay is rated for direct switching of inductive loads without requiring an interposing contactor. The plug-in 5-pin base means a failed relay pulls straight out of its socket and a spare drops in — no rewiring, no desoldering.

Application Scenarios & Where It Fits

The AHN12324 is a general-purpose interposing relay: it sits electrically between a controller output and a load that draws more current than the controller can switch, or that operates at a different voltage class. In practice we see it specified in the following industrial-automation roles:

• PLC output booster for Allen-Bradley ControlLogix / CompactLogix and Siemens S7-200/S7-1200/S7-1500 transistor outputs driving 230 VAC contactor coils.
• Solenoid-valve switching in Mitsubishi MELSEC panels and Omron SYSMAC pneumatic manifolds.
• Indicator-lamp and tower-light driver on Fanuc CNC operator panels and Yaskawa Σ-7 servo cabinets.
• Contactor interlock in motor control centres wired to Schneider Modicon M340/M580 PLCs.
• Lighting contactor interface for HVAC and building-automation panels built around KEYENCE vision or sensor modules.
• Spare-stock relay for emergency replacement of AHN12-series units on legacy Panasonic FP PLC control cabinets still in service.

The 24 VDC coil matches the most common control-rail voltage in modern panels (24 VDC PSU feeding PLC outputs, sensor power, and interposing relays). A 10-piece pack fits the typical quantity consumed on a single machine build or a quarter's worth of maintenance spares.

Integration & Wiring Notes

Wiring is on the 5-pin socket, not the relay body — the relay itself is keyed to fit only one way. Use a DIN-rail screw-terminal socket (AHNA11) for cabinet builds, or a PCB-mount socket (AHNA21) for custom backplanes.

Even though the AHN12324 can switch an inductive load directly, fit an RC snubber or a flyback diode across the contactor / solenoid coil to extend contact life. On the control side, a 1 A fast-blow fuse per relay is cheap insurance against a wiring fault taking out the PLC output card. For a quick sanity check of your control voltage and contact logic, the KOEED AI Diagnostic Tool can read a relay-coil rating label from a photo and recommend a socket.

Installation & Commissioning Tips

• Confirm the coil voltage rating before energising. An AHN12324 driven from 120 VAC instead of 24 VDC will fail within minutes. The part-number suffix “324” is the 24 VDC variant; AHN12306 and AHN12312 are the 6 VDC and 12 VDC siblings in the same family.
• Seat the relay firmly into the AHNA11 / AHNA21 socket. The mechanical flag should be visible through the clear top cover — if you cannot see the flag, the relay is not fully inserted and contacts will not close reliably.
• Check the contact orientation against the wiring diagram printed on the socket side. A backwards plug on a 5-pin octal-style base is the single most common field failure for this form factor.
• Torque the socket terminals to the manufacturer's spec (typically 0.8–1.0 N·m for AHNA11). Loose terminals cause voltage drop and contactor chatter on inductive loads.
• During commissioning, drive the coil from a bench 24 VDC supply first to confirm contact action, then wire into the live control circuit. The flag indicator (or LED on the ‘L’ variant) confirms the coil status at a glance.
• For cabinets that ship overseas, stock a 10% spare ratio: 10 relays go into the build, 1 spare in the cabinet, 1 spare in the maintenance kit. The 10-piece pack format already supports this.
• For EOL replacements on legacy AHN12 series panels, confirm socket wiring before swap — the AHN family is form-fit-function compatible with most AHN11/AHN12 sockets used in older Panasonic FP PLC panels.

Procurement, Warranty & Lead Time

The AHN12324 10-pack is a stocked line item at KOEED. Standard pack quantities ship from our Shenzhen / Hong Kong warehouse within 1–3 business days of payment confirmation, with DHL, FedEx, UPS and EMS available for worldwide shipping. Volume pricing scales with carton quantity — send a request for a multi-pack quote if you consume a hundred or more pieces per quarter.

Every relay is sourced through our established China Sourcing Company supply chain, inspected on receipt, and ships with our standard warranty covering DOA (dead on arrival) and manufacturing-defect replacement. KOEED is an independent multi-brand distributor and is not affiliated with the named brands; we source, verify and ship — we do not claim OEM or authorised-distributor status. For full terms see our return policy and shipping policy.

Need the AHN12324 alongside other parts on the same BOM? Send the full instrument list to Moritta@KOEED.COM and we will quote the lot on one sheet — mixing Panasonic relays with Allen-Bradley I/O, Siemens CPUs, or Omron sensors is routine. You can also use the Create a Quote form for a structured BOM upload, or browse the full Panasonic collection and the nine-brand index to see what else we keep in stock.

Related resources: About KOEED · Product Gallery · Contact Us · FAQs · KOEED Home. Sourcing questions? Email Moritta@KOEED.COM.