SJE-Rhombus MicroMaster® Plus WS Pump Switch Description

Mechanically-Activated, Wide-Angle Switch Specifically Designed as a Mechanical Alternative to the Mercury-Activated Junior Super Single® Pump Switch.

The SJE MicroMaster® Plus WS pump switch is specifically designed as a mechanical alternative to the mercury-activated Junior Super Single® pump switch. It directly controls pumps in water and sewage applications.

SJE-Rhombus MicroMaster® Plus WS Pump Switch Typical Application

• This Mechanically-Activated, Wide-Angle Pump Switch Provides Automatic Control of Pumps in Water and Sewage Applications.

SJE-Rhombus MicroMaster® Plus WS Pump Switch Features

• Mechanically-Activated, Snap Action Contacts.
• High Impact, Corrosion Resistant, Polypropylene Float Housing.
• Adjustable Pump Range of 8 to 36 Inches (20 to 91 cm)
• UL Recognized for Use in Water and Sewage
• CSA Certified
• Five-Year Limited Warranty

SJE-Rhombus MicroMaster® Plus WS Pump Switch Specifications

• CABLE: Flexible 16 Gauge, 2 Conductor (UL, CSA) SJOW, Water-Resistant, (CPE)
• FLOAT: 2.74" Diameter x 4.83" Long (7.0 cm x 12.3 cm), High Impact, Corrosion Resistant, Polypropylene Housing for use in Water Up to 140°F (60°C)
• MAXIMUM WATER DEPTH: 33 Feet (10 meters) or 13 PSI (90 kPa)
• ELECTRICAL: 125 VAC 50/60Hz Single Phase
  • Maximum Pump Running Current: 13 Amps
  • Maximum Pump Starting Current: 78 Amps
• ELECTRICAL: 250 VAC 50/60Hz Single Phase
• Maximum Pump Running Current: 13 Amps
• Maximum Pump Starting Current: 78 Amps
• PIGGYBACK PLUG NOT INCLUDED

NOTE: This switch is not recommended for controlling

• Electric Loads Less than 100 Milliamps, 12 VAC
• Non-Arcing Electric Loads

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 MicroMaster® Plus WS Pump Switch Product Resources

SJE-Rhombus MicroMaster® Plus WS Pump Switch Catalog Page

SJE-Rhombus Control Switch Installation Instructions

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

SJE-Rhombus Mercury to Mechanical Float Conversion Chart