steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 weeks ago
ZB12-1
Moeller ZB12-1 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Moeller ZB12-1 is a precision-engineered motor-protective relay designed to safeguard AC and DC motors from potential overload conditions. This compact and robust device is an essential component for industrial automation systems, ensuring the longevity and efficiency of motors by monitoring and responding to electrical current levels.
Crafted with meticulous attention to detail, the ZB12-1 features a bimetallic release mechanism that provides reliable and accurate overload protection. The relay is capable of temperature compensation, which allows it to maintain performance across a range of environmental conditions, ensuring consistent operation without the need for frequent adjustments.
The ZB12-1 is versatile and can be directly mounted onto contactors, making it a convenient addition to a variety of electrical assemblies. Its straightforward design allows for easy installation and maintenance, while its manual and automatic reset functions offer flexibility in operation, catering to different system requirements.
With its robust construction and reliable performance, the Moeller ZB12-1 motor-protective relay is a valuable asset for any industrial setting where motor protection is a priority. It is designed to integrate seamlessly into existing systems, providing a layer of protection that helps prevent downtime and extends the service life of motors.
Crafted with meticulous attention to detail, the ZB12-1 features a bimetallic release mechanism that provides reliable and accurate overload protection. The relay is capable of temperature compensation, which allows it to maintain performance across a range of environmental conditions, ensuring consistent operation without the need for frequent adjustments.
The ZB12-1 is versatile and can be directly mounted onto contactors, making it a convenient addition to a variety of electrical assemblies. Its straightforward design allows for easy installation and maintenance, while its manual and automatic reset functions offer flexibility in operation, catering to different system requirements.
With its robust construction and reliable performance, the Moeller ZB12-1 motor-protective relay is a valuable asset for any industrial setting where motor protection is a priority. It is designed to integrate seamlessly into existing systems, providing a layer of protection that helps prevent downtime and extends the service life of motors.
| Specification | Description |
|---|---|
| Part Number | ZB12-1 |
| Alternative Part Number | ZB121 |
| Manufacturer | Moeller |
| Current Range | 0.16 - 16 A |
| Tripping Class | 10 A |
| Ambient Temperature | 20 °C (for reference tripping characteristics) |
| Tolerance Range | ± 20 % |
| Mounting Options | Direct mounting to contactor or individual installation with separate mounting accessories |
| Compatibility | Can be used in combination with specific contactors and overload relays for motor protection |
| Application | Overload protection with bimetal relays, phase failure sensitivity, temperature compensation |
| Features | Test function, manual or automatic reset, adjustable current settings |
What is the function of this overload relay?
The Moeller ZB12-1 is designed to provide protection for electric motors from overloads. It uses a bimetallic strip to detect excessive current which can cause overheating and potential damage to the motor.
How can I install this overload relay?
Installation should be carried out by qualified personnel following the specific instructions provided with the device. It involves mounting the relay, connecting motor and power supply lines, and ensuring proper settings according to the application requirements.
Can this relay be used for motors in explosive environments?
Yes, the Moeller ZB12-1 can be used for motors in potentially explosive environments, but it must be installed and operated according to the strict guidelines specified for such applications to ensure safety.
How do I set the correct current range on the relay?
The current range on the Moeller ZB12-1 can be set by adjusting the dial on the relay to match the motor's full load current. This ensures accurate overload protection tailored to the specific motor being used.
What should I do if the relay trips?
If the Moeller ZB12-1 trips, you should first identify and rectify the cause of the overload. Once the issue is resolved and the bimetallic strip has cooled down, the relay can be manually reset.
Is there a way to test the functionality of the relay?
Yes, the Moeller ZB12-1 includes a test function that allows you to simulate an overload condition to ensure the relay is functioning correctly. This should be done as part of regular maintenance checks.
What are the temperature considerations for this relay?
The Moeller ZB12-1 is temperature compensated to ensure reliable operation over a range of ambient temperatures. However, it's important to consider the operating environment as extreme temperatures can affect performance.
Can the relay prevent automatic restarts after a trip?
Yes, the Moeller ZB12-1 can be wired in a way that prevents automatic restarts after a trip, which is particularly important in hazardous environments to ensure safety.
What maintenance is required for this overload relay?
Regular maintenance for the Moeller ZB12-1 includes testing its functionality, checking for any signs of damage or wear, ensuring connections are secure, and verifying that the current settings are still appropriate for the motor.
How does phase loss protection work in this relay?
The Moeller ZB12-1 is equipped with phase loss sensitivity, which allows it to trip in the event of a phase loss to protect the motor from unbalanced voltages that could cause damage.
- Protection of motors in industrial applications
- Overload monitoring for Ex e motors in potentially explosive areas
- Integration with motor control systems for pump and fan operations
- Use in automation systems within manufacturing plants
- Installation in control panels for machinery protection
- Utilised in HVAC systems for compressor motor protection
- Implementation in material handling equipment for conveyor motor safety
- Application in agricultural machinery to safeguard motor-driven components
- Deployment in marine engineering to monitor and protect shipboard motors
- Inclusion in renewable energy installations, such as wind turbines, for motor overload protection
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Delivery
- Logistic partners UPS, FedEx and DHL
- International delivery available
- Premium nine hour delivery service available to anywhere in Europe
- Same day dispatch from group stock
Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment
Trade CreditWe understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe accept Bank transfers and the following methods of payment:
All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.
Services
Sourcing your part
Global supplier of quality automation and control components
Service Exchange
Dispose of your old unit by exchanging it for a working part.
Repair
A comprehensive repair service for faulty equipment.
Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
2 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
2 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
Our world, made possible by manufacturing. Manufacturing made possible by EU Automation.
Discover how we do our part to keep your production lines moving.