ZD503A – RELAY BASE

Q: Which relays are compatible with the ZD503A?

The ZD503A is designed for use with Carlo Gavazzi MZ Slim industrial electromechanical relays.

Q: What contact configuration does the ZD503A support?

The relay socket supports 2 SPDT (2 change-over contact) relay configurations.

Q: How is the ZD503A mounted?

The ZD503A is designed for 35 mm DIN rail mounting inside industrial control panels.

Q: What type of connection does the ZD503A use?

The ZD503A uses a plug-in relay connection with screw terminals for reliable industrial wiring.

Carlo Gavazzi ZD503A DIN rail relay socket with 8 poles and 2 SPDT contact support designed for MZ Slim industrial electromechanical relays.

SKU: ZD503AMPN: ZD503A

List Price £2.82 ex VAT

Your Price (ex VAT)

£2.82

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SUBTOTAL (EX VAT) £2.82

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Manufacturer Lead Time

£2.82

Why Choose the Carlo Gavazzi ZD503A Relay Socket?

The Carlo Gavazzi ZD503A is a compact and reliable DIN rail relay socket designed for use with Carlo Gavazzi MZ Slim industrial electromechanical relays in automation and control applications. This socket provides a secure plug-in connection interface for relay installation, helping simplify maintenance and replacement in industrial electrical systems.

The ZD503A is designed for 8-pole relay configurations with 2 SPDT (2 change-over contacts) and features screw terminals arranged on three levels for efficient wiring in control panels. An integrated identification tag is included to support clear relay identification during installation and maintenance.

With 35 mm DIN rail mounting and a compact 15.6 mm depth, the ZD503A is ideal for industrial automation equipment, electrical cabinets and relay interface applications requiring dependable relay mounting and connection technology.

Key Advantages

Reliable relay socket designed for Carlo Gavazzi MZ Slim relays.
8-pole connection interface for 2 SPDT relay configurations.
Screw terminal connection for secure industrial wiring.
35 mm DIN rail mounting for control cabinet installation.
Three-level terminal arrangement improves wiring efficiency.
Included identification tag simplifies maintenance and servicing.

Key Features

Carlo Gavazzi ZD503A relay socket.
Compatible with MZ Slim industrial electromechanical relays.
8-pole socket configuration.
2 SPDT / 2 change-over contact relay support.
10 A rated current.
Screw terminals on three levels.
35 mm DIN rail mounting design.
Included relay identification tag.

Reliable Relay Integration for Industrial Control Systems

Relay sockets provide a secure mechanical and electrical interface between control relays and industrial wiring systems. The Carlo Gavazzi ZD503A allows quick relay installation while maintaining dependable electrical connection performance in automation equipment.

Designed for control panel builders and automation engineers, the ZD503A supports efficient DIN rail layouts and provides a dependable mounting solution for Carlo Gavazzi MZ Slim relay applications.

Typical Applications

Industrial automation control panels.
Relay switching and interface systems.
Machine control equipment.
Electrical distribution cabinets.
OEM automation systems.
Industrial process control applications.

Technical Specifications

Tick the specs you need, then view products that match.

Device Type	Relay Socket
Terminal Type	Screw
Switching Current (A)	10 A
Mounting Type	DIN rail
Contacts	1 C/O
Manufacturer	Carlo Gavazzi
Series	ZD Relay Sockets
Model	ZD503A
Product type	DIN rail relay socket
Compatible relay series	MZ Slim industrial electromechanical relays
Number of poles	8
Contact arrangement	2 SPDT (2 change-over contacts)
Rated current	10 A
Connection type	Plug-in connection
Terminal type	Screw terminals
Terminal arrangement	Three levels
Mounting method	35 mm DIN rail (top hat rail)
Width	61 mm
Height	76.4 mm
Depth	15.6 mm
EAN	8032973922678

Frequently Asked Questions

What is the Carlo Gavazzi ZD503A used for?

The Carlo Gavazzi ZD503A is a DIN rail relay socket designed for use with MZ Slim industrial electromechanical relays in automation and control applications.

Which relays are compatible with the ZD503A?

The ZD503A is designed for use with Carlo Gavazzi MZ Slim industrial electromechanical relays.

What contact configuration does the ZD503A support?

The relay socket supports 2 SPDT (2 change-over contact) relay configurations.

How is the ZD503A mounted?

The ZD503A is designed for 35 mm DIN rail mounting inside industrial control panels.

What type of connection does the ZD503A use?

The ZD503A uses a plug-in relay connection with screw terminals for reliable industrial wiring.

Trusted by Automation Engineers Worldwide

Carlo Gavazzi relay accessories are widely used in industrial automation systems to provide reliable switching solutions, efficient panel integration and dependable control performance.

Device Type	Relay Socket
Terminal Type	Screw
Switching Current (A)	10 A
Mounting Type	DIN rail
Manufacturer	Carlo Gavazzi
Series	ZD Relay Sockets
Model	ZD503A
Product type	DIN rail relay socket
Compatible relay series	MZ Slim industrial electromechanical relays
Number of poles	8
Contact arrangement	2 SPDT (2 change-over contacts)
Rated current	10 A
Connection type	Plug-in connection
Terminal type	Screw terminals
Terminal arrangement	Three levels
Mounting method	35 mm DIN rail (top hat rail)
Width	61 mm
Height	76.4 mm
Depth	15.6 mm
EAN	8032973922678
Contacts	1 C/O

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

Standard delivery

£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

Collect from our showroom

Mon–Fri, 8am–5pm

Order and pay online, then collect from our showroom.

Please allow 15–30 minutes after ordering for us to prepare your order.

Northern Ireland, ROI & export

Priced at checkout

We deliver to Northern Ireland, the Republic of Ireland and overseas.

Delivery is calculated at checkout based on your destination.

Orders with mixed availability

Shipped complete

If part of your order is on a lead time, we hold it and send everything together.

Need the in-stock items sooner? Ask us and we can split the delivery.

Business customer returns

Returns & order support

Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.

Stocked items

Request within 30 days

Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.

Faulty or damaged items

Tell us as soon as possible

Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.

We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.

Made-to-order items

Manufacturer approval needed

Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.

This does not affect claims for faulty goods or items that do not meet the agreed specification.

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Let’s get your return sorted.

Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.

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At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

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