Model SB2BE101 / SB2BE10 Maintenance Box Rotary Switch for Elevator Service Description This rotary maintenance switch is designed for elevator maintenance boxes. It provides selectable contacts in Normally Open and Normally Closed configurations for service mode control and isolation. Compatible with OTIS lift systems where a maintenance box rotary contact is required. Key benefits Clear service control: Provides a dedicated rotary contact for switching between normal operation and maintenance mode, reducing risk of control confusion during service. Dual contact options: Includes both Normally Open and Normally Closed contact paths to match a variety of circuit requirements. Easy replacement and compatibility: Offered as models SB2BE101 and SB2BE10 to match existing maintenance box installations and compatible with common OTIS lift maintenance panels. Reliable operation: Designed for consistent switching action needed in routine maintenance and troubleshooting tasks. Important attributes Function: Rotary maintenance box switch with NO and NC contact options for elevator service control. Compatibility: Intended for use in elevator maintenance boxes and compatible with OTIS lift control panels when a rotary contact is specified. Form factor: Compact rotary switch format suitable for panelmounted installation in maintenance boxes. Materials and construction: Built for utility in elevator maintenance applications with durable construction appropriate for repeated use. Performance: Provides dependable contact switching for service mode selection and circuit isolation during maintenance operations. Typical applications Service mode selection in an elevator maintenance box when technicians need to place the lift into a controlled maintenance state. Replacement of a worn or defective rotary contact in a maintenance panel for OTIS compatible lifts. Temporary isolation of elevator controls during troubleshooting, testing, or component replacement. Installation notes Verify model compatibility with existing maintenance box wiring and terminal assignments before installation. Confirm contact wiring for Normally Open and Normally Closed functions to match the intended service circuit logic. Use appropriate tools and follow standard elevator maintenance procedures during installation. Models included SB2BE101 SB2BE10 This rotary maintenance switch is a straightforward component for elevator maintenance panels, offering NO and NC contact options and compatibility with common OTIS lift maintenance configurations.