Marktime MARK-74114AB Heavy Duty Time Switch 120-min Spdt

Product Description

The MARKTIME MARK-74114AB is a heavy-duty SPDT wall box time switch rated for 120-minute (2-hour) operation. It runs on 240 volts at 60 Hz and handles up to 1 horsepower, making it suitable for motor loads in demanding residential and commercial environments. The switch uses a 360-degree wind-up mechanism for reliable, repeatable timing without the need for batteries or programming. It ships complete with a brushed aluminum wall plate, switch body, D444 dial, K35G1 knob, insulator, and mounting screws. UL Listed and CSA Certified for safety and performance compliance. Licensed electricians and HVAC technicians are the primary installers of this unit.

The MARK-74114AB is designed for applications where timed control of high-load equipment is required. It mounts in a standard NEMA double-gang wall box and supports loads up to 28 amps. Typical use cases include exhaust fans, ventilation systems, and moisture control equipment in pools, spas, saunas, and high-humidity residential or commercial spaces. It is effective for cycling equipment to remove excess moisture and reduce conditions that promote mold and bacteria growth while supporting indoor air quality management.

Key Features

• 120-minute (2-hour) countdown timing via 360-degree wind-up mechanism
• SPDT switch configuration supports a wide range of load types
• Rated 1 horsepower at 240 volts, 60 Hz for motor-load applications
• 28-amp load capacity for heavy-duty use
• Fits standard NEMA double-gang wall box — no special enclosure required
• UL Listed and CSA Certified for residential and commercial installation
• Includes wall plate, dial, knob, insulator, and mounting screws

Compatibility

Designed as an OEM-style wall box time switch for standard NEMA double-gang installations in residential and commercial settings including pools, spas, and saunas.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. Disconnect and lock out power at the breaker before wiring or servicing the switch. The unit mounts in a standard NEMA double-gang wall box; verify box depth and wire gauge compatibility before installation. Do not exceed the rated 28-amp load or apply to voltage or frequency outside the listed specifications.

Technical Specifications

• Voltage: 240 volts
• Horsepower Rating: 1 HP
• Frequency: 60 Hz
• Load Capacity: 28 amps
• Timer Range: 120 minutes (2 hours)
• Wind-up Mechanism: 360-degree
• Switch Configuration: SPDT
• Mounting: Standard NEMA double-gang wall box
• Material: Aluminum
• Approvals: UL Listed, CSA Certified
• Applications: Residential and Commercial
• Country of Origin: USA

Standard Information

• Brand: MARKTIME
• Manufacturer Part Number: MARK-74114AB