Allen Bradley 440E-L2NNNYS Cable-Pull Switch
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Model | 440E-L2NNNYS |
| Product Series | Guardmaster Lifeline 3 |
| Product Type | Cable-Pull Emergency Stop Switch |
| Application | Industrial machine safety and emergency stopping |
| Maximum Cable Span | Up to 30 m, subject to installation requirements |
| Safety Contacts | Normally closed safety contacts; verify exact configuration against the product wiring diagram |
| Auxiliary Contacts | Model-dependent; confirm using the manufacturer’s documentation |
| Connection Type | Quick-disconnect connector, model-specific |
| Housing Material | Metal housing |
| Housing Color | Yellow |
| Enclosure Protection | Designed for industrial environments; verify the exact IP rating for this catalog variant |
| Operating Principle | Cable tension monitoring and pull-actuated switching |
| Reset Function | Manual reset, according to the installed configuration |
| Safety Function | Initiates a stop signal when the cable is pulled or cable tension is lost |
| Installation | Fixed mounting along machinery or conveyor lines |
| Dimensions | 196 × 48 × 85 mm |
| Weight | 0.8 kg |
FAQ
Q1: What is the main function of the Allen-Bradley 440E-L2NNNYS cable-pull switch?
A: The 440E-L2NNNYS is a cable-pull safety switch intended for emergency-stop applications along machinery and conveyor systems. Pulling the cable activates the switch, allowing the connected safety circuit to initiate the required machine stop.
Q2: How does a cable-pull switch detect an emergency condition?
A: The switch monitors the mechanical condition of the cable. When an operator pulls the cable, or when cable tension falls outside the permitted operating range, the switching mechanism changes state. The connected safety system must be designed to respond correctly to both conditions.
Q3: How should the cable be tensioned during installation?
A: Install the cable using suitable end anchors and tensioning hardware. Adjust the tension according to the manufacturer’s instructions and check the switch’s status indicator, if fitted. Avoid excessive tension, loose sections, sharp bends, and routing that could obstruct cable movement.
Q4: Can the 440E-L2NNNYS be used on a long conveyor line?
A: It can be considered for conveyor-line protection, provided the installed cable length and layout are within the model’s specified limits. The required cable span, intermediate supports, environmental conditions, and emergency-stop coverage should be evaluated before installation.
Q5: How should this switch be integrated into a machine safety circuit?
A: Connect the switch to a compatible safety relay, safety controller, or other approved safety architecture according to the wiring diagram. Verify contact operation, fault response, and stopping behavior during commissioning. Do not rely on an ordinary PLC input alone where a safety-rated function is required.
Q6: What is the correct procedure for resetting the switch after activation?
A: First identify and correct the cause of activation. Restore the cable to its specified operating condition, then operate the manual reset mechanism according to the model’s instructions. Resetting should not itself restart hazardous machinery; restarting must require a separate, deliberate action.
Q7: What could cause repeated nuisance trips?
A: Common causes include incorrect cable tension, thermal expansion or contraction, loose anchors, cable interference, mechanical vibration, or damaged switching components. Inspect the full cable route and mounting hardware, then verify the adjustment against the manufacturer’s specifications.
Q8: What maintenance and functional tests are recommended?
A: Periodically inspect the cable, anchors, tensioning devices, mounting bolts, housing, and electrical connections. Test cable-pull activation and loss-of-tension response as required by the machine’s safety validation and maintenance schedule. Before servicing, isolate hazardous energy sources and follow the site’s lockout/tagout procedure.
Allen Bradley 440E-L2NNNYS Cable-Pull Switch is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
