- Supply voltage (V): 240 V
- Type of supply voltage U1: AC
- Power consumption AC: 2 VA
- Supply voltage U2: 120 V
- Type of supply voltage U2: AC
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12-Month Warranty
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Over 5,000 parts in stock
- Brand: Pilz
Pilz 838000 Monitoring relays / monitoring devices
Mfr # S1UK 24VACDC 120/240VAC UM 1VAC/DC
Condition: New
*Some photos may appear used, but your item will be delivered in new, unused condition.
$205.85
/ea
Availability: In stock|Ships in 3 to 5 business days
- 100% Original
- Ships from USA; Free Shipping on orders over $50
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- Dual Supply Options: Supports 120 V AC and 240 V AC supply voltages for flexible integration into different electrical systems.
- Low Power Consumption: Operates with just 2 VA of power consumption, ensuring energy-efficient monitoring.
- Universal Application: Designed as a monitoring relay for both AC and DC applications, increasing versatility in industrial use.
- Pilz Reliability: Built to the high standards of Pilz monitoring relays, ensuring dependable long-term operation in safety-critical environments.
The Pilz S1UK 24VACDC 120/240VAC UM 1VAC/DC (838000) is a robust and versatile monitoring relay designed to provide reliable supervision of electrical parameters in industrial control and automation systems. Belonging to Pilz’s well-established portfolio of monitoring devices, this unit is engineered to deliver consistent performance, high flexibility, and dependable safety in diverse application scenarios.
A defining feature of this relay is its ability to operate with dual supply voltages. It supports both 120 V AC and 240 V AC, making it adaptable to a wide range of international power networks. This flexibility ensures straightforward integration into systems that may vary by region or infrastructure, reducing the need for multiple relay variants and simplifying equipment standardisation across global operations.
In addition to supply versatility, the device is designed with low power consumption, requiring only 2 VA when operating on AC supply. This efficient energy usage reduces operational costs and heat generation, making it particularly suitable for control panels where multiple relays and monitoring devices may be in use simultaneously.
The S1UK monitoring relay is tailored for universal application, capable of supervising both AC and DC signals depending on the configuration. This dual capability makes it a reliable choice for facilities seeking to streamline their monitoring requirements without compromising on accuracy or functionality. By consolidating functions into a single device, the relay supports simpler system design and improved efficiency.
As part of Pilz’s extensive monitoring relay range, the S1UK 24VACDC 120/240VAC UM 1VAC/DC is manufactured with an emphasis on reliability and compliance with international standards. Pilz products are recognised globally for their contribution to machine and system safety, and this device is no exception. It ensures robust operation under demanding industrial conditions, providing continuous supervision to maintain safe operating states.
Typical applications include use in automation, machinery control, and process industries, where continuous monitoring of voltage and operational parameters is critical for maintaining both efficiency and safety. By ensuring that deviations in electrical supply are promptly identified, the relay helps prevent equipment malfunctions, downtime, or hazardous situations.
In summary, the Pilz S1UK 24VACDC 120/240VAC UM 1VAC/DC (838000) offers a reliable and flexible monitoring solution designed for diverse industrial environments. With its dual voltage supply capability, low power consumption, universal monitoring functions, and trusted Pilz quality, it provides an essential safeguard for modern automation and control systems. Its adaptability and efficiency make it a valuable component in ensuring both operational continuity and compliance with safety standards.
| Manufacturer | Pilz |
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FAQ
What is your warranty policy?
All new products purchased from Enicstra LLC are backed by a 12-month warranty. We will repair any covered issue at no cost. If a repair is not possible, we will provide a full refund. For warranty support, please email customerservice@enicstra.com.
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If an item requires a lead time of more than two weeks, we will notify you immediately. Your order will only be confirmed once you acknowledge and approve the lead time.
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If you are dissatisfied with the part(s) you received for any reason (subject to our Terms and Conditions), you may take advantage of our 30-day return-to-base policy, which allows you to request an exchange or a full refund.
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We offer free domestic shipping on orders over $50. For international orders, additional shipping costs will apply based on the destination and selected carrier service.
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Our team will review and apply the exemption to your account/orders. To avoid being charged tax, please send the certificate before placing your order (or we can refund the tax after verification if the order has already been placed).

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