Intermatic FM1D50A-120 Timer

The Intermatic FM1D50A-120 Timer is a professional-grade 24-hour/7-day electronic timer module engineered for precise control over HVACR systems, lighting, and industrial machinery. Operating on 120V AC, this single-channel unit features 50 setpoint programs and two preset block programs, allowing for complex scheduling across commercial and agricultural applications. The SPDT relay provides versatile switching for low or line voltage loads, while the DIN rail mount and surface mounting options ensure a streamlined installation in various control panels. Designed for the field, the unit includes a large LCD for status indication and automatic daylight saving time transitions to eliminate manual seasonal adjustments. For critical reliability, the integrated battery backup preserves your custom programming during power interruptions, and the included clear dust cover protects the interface from environmental debris.

Key Benefits

• Versatile Scheduling: Supports both 24-hour and 7-day timing loops with up to 50 distinct program events for high-precision load management.
• Flexible Installation: Dual-mount design supports both DIN rail and surface mounting to fit standard control enclosures.
• Heavy-Duty Switching: Features an 18A resistive/16A inductive rated SPDT contact suitable for motors, fans, and heaters.
• Power Resiliency: Equipped with a long-term carry-over battery to maintain clock time and program memory during outages.
• Field Protection: Comes standard with a terminal cover and a clear plastic dust cover to prevent accidental tampering or dust ingress.

Common Questions

Can I use this timer to control a 120V compressor or fan motor?
Yes, the unit is rated for 1/2 HP at 120V AC, making it ideal for air movement, ventilation, and small refrigeration applications.

Does this unit automatically adjust for daylight saving time?
The FM1D50A-120 includes an automatic DST changeover feature, reducing the need for site visits to manually update the clock.

What happens to my 50 programs if the power goes out?
The built-in battery backup ensures all 50 setpoint programs and the current time are preserved, so the unit resumes its schedule immediately when power returns.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.