EMAS RZ1A1B12S-1 EMAS TIME RELAY 12 SECOND 12 V AC/DC 1 CO DELAY OFF
EMAS RZ1A1B12S-1 analogue electronic time relay with 12 V AC/DC supply, 1CO change-over contact and 1.2–12 second delay-off timing range for industrial automation systems.
SKU:RZ1A1B12S-1MPN:RZ1A1B12S-1
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The EMAS RZ1A1B12S-1 is a compact and reliable analogue electronic time relay designed for accurate delay control in industrial automation, electrical control panels and machine control systems. As part of the EMAS RZ1 series electronic relay range, it provides dependable off-delay timing functionality for applications requiring precise switching control and reliable operation in industrial environments.
This timer relay combines electronic timing control with a robust relay output, making it suitable for controlling delayed switching operations in automation equipment. The RZ1 series features an 8-pin connection design, compact construction and a 1CO relay contact for flexible integration into industrial control systems.
With a 12 V AC/DC supply voltage, a 1 change-over (1CO) relay output and an adjustable 1.2–12 second delay-off timing range, the RZ1A1B12S-1 is ideal for machine control, automation sequencing and industrial electrical switching applications.
Key Advantages
Compact analogue electronic timer relay for industrial applications.
12 V AC/DC operating voltage suitable for control circuits.
1.2–12 second delay-off timing range for controlled switching applications.
1CO change-over contact output for flexible circuit control.
5 A contact rating suitable for industrial control loads.
Space-saving 8-pin design for automation panels.
Key Features
EMAS RZ1 series analogue time electronic relay.
12 V AC/DC operational voltage.
5 A nominal contact rating.
1.2–12 second adjustable delay-off timing interval.
1CO (1 change-over) contact configuration.
8-pin connection design.
LED operating indicator.
Compact construction for industrial control panels.
Reliable Timing Control for Industrial Automation
Electronic time relays such as the EMAS RZ1A1B12S-1 provide controlled delays between electrical signals and connected loads. They allow machines and automation systems to perform timed shutdown sequences, delayed switching operations and controlled processes without requiring complex PLC programming.
The RZ1 series is designed for machine builders, electrical engineers and control panel manufacturers requiring dependable timing control in compact installations. Its electronic timing circuit and reliable relay output provide a practical solution for a wide range of industrial applications.
Typical Applications
Industrial automation control panels.
Machine sequencing and delayed switching circuits.
Motor and actuator control systems.
Packaging and production machinery.
Electrical control systems.
OEM automation equipment.
Technical Specifications
Manufacturer
EMAS
Series
RZ1 Electronic Time Relays
Model
RZ1A1B12S-1
Product type
Analogue electronic time relay
Operating voltage
12 V AC/DC
Timing function
Delay OFF
Timing range
1.2–12 seconds
Contact configuration
1CO change-over contact
Rated current
5 A resistive
Maximum switching voltage
250 V AC
Maximum switching capacity
1,250 VA
Connection type
8 pins
Frequency
50 / 60 Hz
Protection rating
IP30
Contact material
Silver nickel (AgNi)
Mechanical life
minimum 10,000,000 operations
Electrical life
minimum 100,000 operations
Operating temperature
-5°C to +40°C
Frequently Asked Questions
What is the EMAS RZ1A1B12S-1 used for?
The RZ1A1B12S-1 is an analogue electronic time relay used to provide controlled delay-off switching in industrial automation and electrical control systems.
What supply voltage does the RZ1A1B12S-1 require?
The relay operates from a 12 V AC/DC supply.
What is the timing range of this relay?
The relay provides an adjustable 1.2–12 second delay-off timing range.
What type of output contact does the relay have?
The EMAS RZ1A1B12S-1 uses a 1CO change-over contact output with a 5 A resistive rating.
Where is this time relay typically installed?
The relay is typically installed in industrial control panels, automation systems and machine control applications.
Trusted by Automation Engineers Worldwide
EMAS RZ1 electronic time relays are used by automation engineers and control panel builders to deliver accurate timing control, reliable switching performance and efficient industrial system integration.
Manufacturer
EMAS
Series
RZ1 Electronic Time Relays
Model
RZ1A1B12S-1
Product type
Analogue electronic time relay
Operating voltage
12 V AC/DC
Timing function
Delay OFF
Timing range
1.2–12 seconds
Contact configuration
1CO change-over contact
Rated current
5 A resistive
Maximum switching voltage
250 V AC
Maximum switching capacity
1,250 VA
Connection type
8 pins
Frequency
50 / 60 Hz
Protection rating
IP30
Contact material
Silver nickel (AgNi)
Mechanical life
minimum 10,000,000 operations
Electrical life
minimum 100,000 operations
Operating temperature
-5°C to +40°C
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...