Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
MACROMATIC ARP120A3R Socket-Mounted Alternating Relay - Socket-Mounted Alternating Relays
MACROMATICSocket-Mounted Alternating Relays

MACROMATIC ARP120A3R Socket-Mounted Alternating Relay

The MACROMATIC Alternating Relay is a socket-mounted, plug-in relay with an octal base and DPDT contacts, operating at 120V AC. It features an AC contact rating of 10 A @ 240V and a DC contact rating of 10 A @ 24V…

SKU 3G-OTH-36517

Brand
MACROMATIC
Item
ARP120A3R Socket-Mounted Alternating Relay
Part Number
ARP120A3R
Category
Socket-Mounted Alternating Relays
Available to Order
Also known as:ARP120A3RMACROMATIC
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

MACROMATIC
Manufacturer Part Number
ARP120A3R
Base Type
Octal
Mounting Style
Plug-In
Contact Rating (AC)
10 A @ 240V
Contact Rating (DC)
10 A @ 24V

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MACROMATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MACROMATIC Alternating Relay is a socket-mounted, plug-in relay with an octal base and DPDT contacts, operating at 120V AC. It features an AC contact rating of 10 A @ 240V and a DC contact rating of 10 A @ 24V. This 8-pin relay is designed for alternating load applications in industrial control systems.

Frequently Asked Questions

What is a MACROMATIC alternating relay used for?

A MACROMATIC alternating relay is used in industrial control systems to alternate between two loads on each cycle, extending equipment life in applications like pumps, compressors, and conveyors. 3G Electric supplies this socket-mounted relay across 14 industrial departments.

What are the specifications of the MACROMATIC ARP120A3R?

The MACROMATIC ARP120A3R is a socket-mounted alternating relay with an octal base, 8 pins, and DPDT contacts. It operates at 120V AC with a contact rating of 10 A @ 240V AC and 10 A @ 24V DC. 3G Electric sources this plug-in relay for global delivery.

Where to buy a MACROMATIC alternating relay worldwide?

3G Electric supplies the MACROMATIC alternating relay worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine parts like the ARP120A3R and deliver to any location. Contact us for availability and lead time.

How to install a MACROMATIC socket-mounted alternating relay?

To install a MACROMATIC socket-mounted alternating relay, ensure power is off, plug the relay into the matching octal socket, and secure it. Wire the DPDT contacts per the load-alternation diagram. 3G Electric provides technical support for selection and integration into control panels.

Used in

Common applications for MACROMATIC
Industrial automation — Macromatic THR Series timing relays for sequencing machinery and conveyors
Pump control — Macromatic COKP Series socket-mounted relays for overcurrent monitoring
Panel building — Macromatic CAH Series surface-mounted relays for undercurrent monitoring
Conveyor systems — Macromatic encapsulated timing relays for on delay and single shot functions
Motor protection — Macromatic current monitor relays with adjustable trip points from 0.5 to 50 A
OEM equipment — Macromatic socket-mounted relays with 11-pin terminals for control circuits
Not sure this is the right part? Photo-identify it→

MACROMATIC Products

3G Electric supplies MACROMATIC socket-mounted alternating relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from MACROMATIC

View all MACROMATIC parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first