The ATC 339B-200-Q2X is a solid-state time delay relay engineered for dependable, accurate timing control in commercial and industrial HVAC applications. Designed by ATC (Automatic Timing & Controls), this relay delivers consistent performance across a wide range of control system configurations, making it a trusted component for building automation, equipment sequencing, and system protection circuits.
Product Overview
Solid-state time delay relays eliminate the mechanical wear associated with traditional electromechanical timers, resulting in longer service life and more repeatable timing cycles. The ATC 339B-200-Q2X is built to integrate seamlessly into existing control panels and HVAC systems where precise time-based switching is required.
Key Features
- Solid-state design for enhanced reliability and long service life
- Precise time delay functionality for accurate equipment sequencing
- Suitable for commercial and industrial HVAC control applications
- Compact form factor for easy panel integration
- ATC Division engineering for proven timing control performance
Common Applications
- HVAC equipment start/stop sequencing
- Building automation and energy management systems
- Compressor and motor protection circuits
- Fan and pump delay-on-start or delay-on-break control
- Commercial refrigeration and air conditioning control panels
Specifications
- SKU: 339B-200-Q2X
- Type: Solid-State Time Delay Relay
- Brand: ATC (Automatic Timing & Controls) Division








