Intermatic 1905 24-hour Mechanical Time Switch Spdt 125V

Product Description

The INTERMATIC 1905 is a 24-hour mechanical time switch designed for indoor electrical load control in residential and light commercial applications. Operating at 125 VAC and 60 Hz, this unit features a single pole, double throw (SPDT) switch configuration and supports scheduling in 15-minute intervals for precise on/off timing. The 1905 can handle up to 20 amps of electrical load, making it suitable for a wide range of lighting and equipment control tasks. The unit is housed in a gray metal enclosure sized at 7.875 inches tall, 5.125 inches wide, and 3.437 inches deep. Slide-in and slide-out trippers allow fast, accurate schedule adjustments without special tools.

The INTERMATIC 1905 is used in indoor settings where reliable, repeatable on/off scheduling is required. Common applications include indoor lighting control and general timing or scheduling of electrical loads. The metal enclosure offers durability in utility rooms, mechanical rooms, and similar indoor environments. Licensed electricians and facilities maintenance professionals are the typical installers of this type of time switch.

Key Features

• 15-minute interval scheduling for precise on/off timing control
• SPDT switch supports single pole, double throw wiring configurations
• Controls up to 20 amps of electrical load
• Operates at 125 VAC, 60 Hz
• Slide-in/slide-out trippers for fast and accurate schedule settings
• Durable gray indoor metal enclosure

Compatibility

Designed as an OEM-style replacement or direct-install mechanical time switch for indoor 125 VAC, 60 Hz single pole, double throw control applications including lighting and scheduled load switching.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Disconnect and lock out power to the circuit before wiring or servicing the time switch. Verify that the connected load does not exceed the 20-amp rating of the switch. Mount the enclosure securely to a wall or panel surface before making final wiring connections.

Technical Specifications

• Input Voltage: 125 VAC
• Frequency: 60 Hz
• Switch Type: SPDT (Single Pole, Double Throw)
• Maximum Load: 20 amps
• Scheduling Interval: 15 minutes
• Timer Duration: 24-hour
• Enclosure Type: Indoor Metal
• Color: Gray
• Height: 7.875 inches
• Width: 5.125 inches
• Depth: 3.437 inches
• Warranty: 1-Year Limited

Standard Information

• Brand: INTERMATIC
• Manufacturer Part Number: 1905