TDR

Time Delay Relays (TDR) are essential components in industrial automation and electrical control systems, designed to introduce a precise, adjustable time delay between an input signal and the output switching action. These devices, often referred to as timing relays or delay-on relays, are available in various configurations including delay-on-make, delay-on-break, interval, and single-shot functions. Key technical specifications include adjustable time ranges from milliseconds to hours, operating voltages from 24V DC to 240V AC, and contact ratings typically up to 10A. They feature multi-turn potentiometers or DIP switches for setting delays, LED indicators for status, and compact DIN-rail or panel-mount enclosures with IP20 protection. TDRs are critical for sequencing, protection, and process control applications.

Time Delay Relays are deployed across a wide spectrum of industrial sectors, including manufacturing, process control, HVAC, water treatment, and energy management. They are commonly installed in control panels, motor control centers (MCCs), and automation cabinets to manage start-up sequences, prevent simultaneous motor starts, provide anti-short-cycle protection for compressors, and control lighting or conveyor systems. In building automation, they ensure orderly shutdown of equipment during power failures. Their robust design makes them suitable for harsh environments with temperature extremes and electrical noise.

Our TDR category encompasses a comprehensive range of subcategories and part numbers to meet diverse application needs. Key subcategories include multifunction timing relays, single-function timers (e.g., ON-delay, OFF-delay), and star-delta timers. Main article codes follow a structured format, such as TDR-XXXX-XX, where the first digits indicate the function type (e.g., 100 for ON-delay, 200 for OFF-delay), the middle digits represent the time range (e.g., 01 for 0.1-10s, 10 for 1-100s), and the suffix denotes the voltage rating (e.g., 24DC, 230AC). Popular part numbers include TDR-100-01-24DC and TDR-300-10-230AC, which are widely used in industrial control systems.

Partnering with Electric Automation Network ensures you receive genuine TDRs with competitive pricing, up to 65% off list prices, and real-time stock availability. Our express worldwide shipping guarantees delivery within 24-48 hours to most destinations. Each product is backed by detailed technical documentation and datasheets. Our team of specialized electrical engineers provides personalized technical support to assist with selection, configuration, and troubleshooting, ensuring optimal performance in your automation projects.