SJE-Rhombus 15JSD1WP - Junior Super Single® Mercury

Oct 4, 2020


Fire Appliance is proud to offer the SJE-Rhombus 15JSD1WP Junior Super Single® Mercury pump switch, designed to meet the specific needs of your fire appliance. This state-of-the-art switch offers unparalleled reliability, exceptional performance, and continuous monitoring and control.

Key Features

  • Reliable Performance: The SJE-Rhombus 15JSD1WP is engineered to provide reliable operation, ensuring the smooth functioning of your fire appliance.
  • Continuous Monitoring: With this switch, you can keep track of vital parameters in real-time, enabling proactive maintenance and preventing potential issues.
  • Precision Control: The Junior Super Single® Mercury switch delivers precise control over your pump, allowing you to maintain optimal efficiency and performance.
  • Exceptional Durability: Built to withstand demanding environments, this switch is constructed with high-quality materials to ensure long-lasting durability.
  • Easy Installation: Designed for convenience, the SJE-Rhombus 15JSD1WP can be easily installed on your fire appliance, saving you time and effort.
  • Versatile Application: This switch is suitable for various fire appliance setups, making it a versatile choice for different configurations.

Technical Specifications

Here are the technical specifications of the SJE-Rhombus 15JSD1WP Junior Super Single® Mercury pump switch:

ModelSwitch TypeContactPump VoltageRated CurrentOperating Temperature15JSD1WPMercurySingle Pole, Double Throw (SPDT)120VAC, 208VAC, 240VAC10A max.-20°F to 140°F (-28.9°C to 60°C)


The SJE-Rhombus 15JSD1WP Junior Super Single® Mercury pump switch is extensively used in fire appliances, including:

  • Fire trucks
  • Fire suppression systems
  • Fire hydrant systems
  • Fire pumps
  • And more

Why Choose Fire Appliance?

When it comes to finding the right pump switch for your fire appliance, Fire Appliance is your trusted partner. Here's why you should choose us:

1. Extensive Experience

With years of experience in the industry, we have a deep understanding of the unique requirements of fire appliances. Our expertise allows us to recommend and provide you with the most suitable solutions.

2. Quality Products

At Fire Appliance, we only offer high-quality products from reputable manufacturers. The SJE-Rhombus 15JSD1WP Junior Super Single® Mercury pump switch is a prime example of the cutting-edge technology and durability we strive to deliver.

3. Excellent Customer Service

We are committed to providing exceptional customer service. Our knowledgeable team is always ready to assist you in finding the right products and answering any questions you may have.

4. Competitive Pricing

We understand the importance of cost-effectiveness without compromising on quality. Fire Appliance offers competitive pricing on all our products, ensuring that you get the best value for your investment.

5. Timely Delivery

We prioritize prompt delivery to minimize any disruption to your operations. With efficient logistics and reliable shipping partners, we strive to ensure your products arrive on time.

Experience the reliability and performance of the SJE-Rhombus 15JSD1WP Junior Super Single® Mercury pump switch for your fire appliance needs. Contact Fire Appliance today to discuss your requirements and place an order!

Craig Cunningham
Looks like a great upgrade!
Nov 9, 2023