SJE-Rhombus Junior Super Single® Pump Switch Description

Mercury Activated, Wide-Angle Switch Designed for Direct Control of Pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC.

The Junior Super Single® pump switch is a mercury-activated, wide angle switch designed for direct control of pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC in non-potable water and sewage applications. Although this switch is not sensitive to rotation, it is affected by turbulence and should be mounted in a non-turbulent location. The Junior Super Single® pump switch is not recommended for use with motor contactors or relays because the motor contactor or relay may experience chattering. A Super Single® or Double Float® pump switch would operate more efficiently in these installations.

SJE-Rhombus Junior Super Single® Pump Switch Typical Application

• Non-Potable Water Applications
• Sewage Applications

SJE-Rhombus Junior Super Single® Pump Switch Features

• Controls Pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC
• Adjustable Pumping Range of 6.5 to 19 Inches (16.5 to 48 cm).
• Includes Standard Mounting Clamp and Boxed Packaging
• UL Recognized for Use in Non-Potable Water and Sewage
• CSA Certified
• Five-Year Limited Warranty

SJE-Rhombus Junior Super Single® Pump Switch Specifications

• CABLE: Flexible 16 Gauge, 2 Conductor (UL, CSA) SJOW, Water-Resistant (CPE)
• FLOAT: 2.81" Diameter x 3.42" Long (7.14 cm x 8.68 cm), High Impact, Corrosion Resistant, PVC Housing for Use in Sewage and Non-Potable Water up to 140°F (60°C)
• MERCURY SWITCH: Mercury-to-Metal Contacts, Hermetically Sealed in a Steel Capsule
• ELECTRICAL: 120 VAC 50/60Hz Single Phase
  • Maximum Pump Running Current: 13 Amps
  • Maximum Pump Starting Current: 40 Amps
  • Recommended Pump HP: 1/2 HP or Less
• ELECTRICAL: 230 VAC 50/60Hz Single Phase
  • Maximum Pump Running Current: 8 Amps
  • Maximum Pump Starting Current: 20 Amps
  • Recommended Pump HP: 1 HP or Less

NOTE: This switch must be used with pumps that provide integral thermal overload protection.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

SJE-Rhombus Junior Super Single® Pump Switch Product Resources

SJE-Rhombus Junior Super Single Pump Switch Catalog Page

SJE-Rhombus Pump Switch Installation Instructions

SJE-Rhombus Mercury Restricted State Map (See next document for mercury alternatives)

SJE-Rhombus Mercury to Mechanical Float Conversion Chart