Description
Product Overview
The YWBL‑WH 12V/24V digital window voltage comparator is engineered for high‑precision voltage monitoring in demanding industrial environments. With a measurement range of 0‑100 V and a tight accuracy of ±0.1 V, the device provides reliable data for protective relays, motor controllers, and power quality analyzers. Its core architecture utilizes a robust semiconductor substrate that resists temperature fluctuations and electrical noise, ensuring stable operation over a wide ambient range. The unit measures just 2.76 × 1.77 × 0.59 inches and weighs only 0.63 oz, allowing seamless mounting on DIN rails or within compact control panels. The product incorporates five distinct functional modes, giving users the flexibility to select the most appropriate monitoring strategy for their specific application. All configuration parameters, including voltage thresholds and timing delays, are stored in non‑volatile memory, guaranteeing that settings are retained even after a power interruption.
![[Product front view showing all components]](https://www.xcellentbuy.store/wp-content/uploads/2026/07/6cec1e306e25446a9c6edf3180bd6db7.jpg)
Usage
Designed for a broad spectrum of industrial electrical systems, this comparator excels in scenarios where precise voltage detection is critical. It is commonly deployed in automated manufacturing lines to safeguard equipment against over‑voltage conditions, in renewable energy installations to monitor inverter output, and in utility substations for real‑time grid health assessment. The device’s adjustable upper and lower voltage limits enable users to define custom alarm thresholds, while the built‑in pull‑in and disconnect delay functions help prevent nuisance tripping caused by transient spikes. Its compact footprint makes it suitable for retrofit projects where space is at a premium, and the straightforward wiring diagram reduces installation time for field technicians. Whether used in a PLC‑controlled process, a SCADA system, or a standalone protection scheme, the comparator delivers consistent performance and simplifies system diagnostics.
Why Choose Us
Choosing the YWBL‑WH comparator means partnering with a manufacturer that prioritizes quality, reliability, and customer support. Each unit undergoes rigorous testing procedures, including thermal cycling, voltage stress, and electromagnetic compatibility assessments, to meet or exceed industry standards. The product is backed by a comprehensive warranty and a responsive technical assistance team that provides firmware updates, configuration guidance, and troubleshooting resources. Our commitment to continuous improvement ensures that the comparator remains compatible with emerging communication protocols and evolving safety regulations. Additionally, the device’s design incorporates environmentally friendly materials and complies with RoHS directives, reflecting our dedication to sustainable manufacturing practices. By selecting this comparator, customers benefit from a proven solution that reduces downtime, enhances system safety, and delivers long‑term value.
Key Features
- Five selectable monitoring functions provide versatile protection options for diverse applications.
- High‑accuracy measurement (±0.1 V) across a 0‑100 V range ensures reliable voltage detection.
- Automatic setting retention safeguards configuration data during power loss, eliminating re‑setup time.
- Adjustable upper and lower voltage limits allow customized alarm thresholds for precise control.
- Dedicated customer support and extended warranty give peace of mind and long‑term reliability.
FAQ
What is the maximum voltage the comparator can measure?
The device is rated for a DC voltage range from 0 V up to 100 V, providing accurate monitoring within this span.
Can the comparator retain its settings after a power outage?
Yes, all user‑defined parameters are stored in non‑volatile memory, so they are automatically restored when power is restored.
How many functional modes are available and what do they do?
There are five functional modes, including standard over‑voltage detection, under‑voltage detection, window monitoring, delayed pull‑in, and delayed disconnect, each tailored to specific protection strategies.
Is the comparator compatible with PLC and SCADA systems?
Absolutely. The comparator provides standard digital output signals that can be easily interfaced with PLCs, SCADA platforms, and other control equipment.
What support is offered if I encounter installation issues?
Our technical support team offers detailed wiring diagrams, configuration guides, and direct assistance via phone or email to ensure a smooth installation process.




General Motors Valve Cover Grommet Gaskets for Coupe
Reviews
There are no reviews yet.