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Macromatic ARP024A6R Alternating Relay, SPDT, 24V AC/DC, 10A SPDT
Industrial plug-in duplexor relay for alternating two loads, with 24V AC/DC control, 10A SPDT output, LED load indication, and a 8-pin octal base.
Balance Operating Time Across Two Loads
The Macromatic ARP024A6R is a alternating relay that helps equalize operating time between two connected loads. Each control cycle changes which load receives lead duty, distributing usage more evenly instead of repeatedly starting the same device. Its 24V AC/DC control input and 10A SPDT output make it a focused choice for industrial two-load control panels.
A control switch initiates the alternating action. When that initiating switch opens, the relay contacts change state so the opposite load is selected for the next cycle. Two LEDs show which load is scheduled to energize next. The low-profile selector switch can lock operation to one load when the accumulated run time needs to be rebalanced. The plug-in housing is designed for the 70169-D 8-pin octal socket.
⚡ 24V AC/DC Control
Designed for control circuits operating at the specified nominal voltage.
🔌 10A SPDT Output
Single Pull, Double Throw
💡 Dual LED Indication
Shows the load scheduled to energize next for faster troubleshooting.
🎚️ Selector Switch
Locks the sequence to one load when maintenance or manual run-time balancing requires it.
Key Features & Benefits
- Alternating Relay, SPDT: Provides purpose-built two-load control in a compact plug-in relay
- 24V AC/DC Control: Matches industrial control circuits designed for this nominal voltage
- 10A SPDT Output: Supplies the specified switching arrangement for the connected control load
- LED Load Indication: Gives technicians an immediate visual reference for the next-to-energize load
- Low-Profile Selector Switch: Allows one load to be held in the lead position when operating hours need correction
- Plug-In Installation: Fits the 70169-D 8-pin octal socket for serviceable panel mounting
- Long Mechanical Life: Mechanical: 10,000,000 Operations, Full Load: 100,000 Operations
- Industrial Approvals: UL Recognized, CE, CSA, UL Listed (with Socket)
⚠️ Verify the Control Circuit and Contact Load
Before installation, confirm 24V AC/DC control power, the 10A SPDT output arrangement, and the connected load's voltage, current, horsepower, and pilot-duty requirements. Do not exceed the published contact ratings shown in the technical specifications.
🔄 How the Alternating Sequence Works
This alternating relay responds to an external control switch. After a completed cycle, its output contacts transfer so the next start command operates the opposite load. The result is automatic duty rotation without requiring separate alternating logic in the control panel.
Technical Specifications
| Manufacturer | Macromatic Industrial Controls |
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| Part Number | ARP024A6R |
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| Series | ARP Series |
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| Socket | 70169-D 8-pin octal socket |
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| Relay Function |
Alternating Relay, SPDT |
| Control Voltage |
24V AC/DC |
| Output |
10A SPDT |
| Voltage Tolerance |
+10/-15% of control voltage |
| Load |
<3VA |
| Temperature |
-28°C to 65°C (-18°F to 149°F) |
| Output Contacts |
10A @ 240V AC / 30V DC, 1/2 HP @ 120/240V AC (N.O.), 1/3 HP @ 120/240V AC (N.C.), B300, R300 (N.O.) Pilot Duty |
| Life |
Mechanical: 10,000,000 Operations, Full Load: 100,000 Operations |
| Dimensions |
2.4" Height x 1.7" Width x 3.1" Depth |
| Approvals |
UL Recognized, CE, CSA, UL Listed (with Socket) |
📋 Installation Overview
1. Confirm the control voltage and output-contact requirements.
2. Mount the relay in the 70169-D 8-pin octal socket.
3. Wire the initiating control inputs and both load-control circuits according to the Macromatic installation manual.
4. Test the complete operating sequence before placing the equipment into service.
✅ Typical Application Fit
Choose the ARP024A6R when a two-load control system must rotate lead duty automatically to balance accumulated operating time. The model is best matched to panels that provide 24V AC/DC control power, require a 10A SPDT contact arrangement, and accept the 70169-D 8-pin socket format.
Compatibility & Selection Reference
ARP024A6R Quick Specification Check
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