Electronic timers - 3RP, On-delay with 1C/O contacts - 3RP1511-1AQ308K

Product Description

Siemens 3RP1511-1AQ308K Electronic On-Delay Timer Relay – Compact and Reliable Timing Control for Industrial Automation

The Siemens 3RP1511-1AQ308K Electronic On-Delay Timer Relay is a high-precision industrial timing device designed to provide dependable delayed switching in automation systems, motor control panels, machine sequencing applications, and process control circuits. As a member of the trusted Siemens SIRIUS 3RP Electronic Timer Series, the 3RP1511-1AQ308K combines accuracy, reliability, and compact design to meet the demanding requirements of modern industrial environments. Featuring 1 Changeover Contact (1 C/O) and a dedicated 0.5 to 10-second timing range, this timer relay is ideal for applications requiring short-duration delay control with consistent performance.

In industrial automation, precise timing plays a critical role in ensuring smooth equipment operation and process coordination. The Siemens 3RP1511-1AQ308K On-Delay Timer introduces a controlled delay between the application of the control voltage and the activation of the output contact. This delayed switching functionality helps prevent simultaneous equipment startup, reduces electrical stress on connected devices, and improves overall system efficiency. It is commonly used in motor starters, conveyor systems, pumps, compressors, packaging equipment, machine tools, HVAC systems, and automated production lines.

One of the key advantages of the 3RP1511-1AQ308K Electronic Timer Relay is its optimized 0.5–10 second timing range, making it particularly suitable for applications where rapid but controlled activation is required. This focused timing range allows engineers and technicians to achieve precise startup sequences and process synchronization without unnecessary complexity. The relay ensures repeatable and stable timing performance, helping improve operational reliability across industrial processes.

The Siemens 3RP1511-1AQ308K is equipped with 1 Changeover Contact (1 C/O), providing flexible switching capability for both normally open and normally closed circuits. This versatile contact arrangement simplifies integration into a wide variety of control systems and industrial automation panels. Whether controlling motors, contactors, pumps, fans, or process equipment, the relay offers dependable switching performance and long-term operational stability.

Designed for flexible installation, the relay supports 24V AC, 100–127V AC, and 24V DC control supply voltages, enabling compatibility with multiple industrial control systems. This multi-voltage capability reduces inventory requirements and simplifies standardization across different automation projects and electrical infrastructures. Engineers, OEMs, and maintenance teams can confidently deploy the 3RP1511-1AQ308K in diverse industrial environments.

Built using Siemens' advanced solid-state timing technology, the 3RP1511-1AQ308K On-Delay Timer Relay delivers exceptional accuracy and repeatability. Siemens specifies a repeat accuracy better than ±1% and a setting accuracy better than ±5%, ensuring consistent timing performance even in demanding industrial conditions. Integrated surge suppression technology helps protect connected circuits from voltage transients, improving system reliability and extending equipment life.

The relay features clear LED status indicators that provide visual confirmation of power supply and output status. These indicators simplify commissioning, troubleshooting, and routine maintenance activities by allowing technicians to quickly verify relay operation. Siemens also incorporates high electromagnetic compatibility (EMC) characteristics, ensuring reliable operation in electrically noisy industrial environments.

With its slim 22.5 mm housing width, the Siemens SIRIUS 3RP1511-1AQ308K is ideal for installations where panel space is limited. The relay supports standard 35 mm DIN rail mounting, allowing fast and convenient installation in control panels, switchboards, motor control centers, and automation cabinets. Its compact design helps maximize available panel space while maintaining easy access for wiring and servicing.

The Siemens 3RP1511-1AQ308K Electronic Timer Relay is widely used in manufacturing facilities, process industries, water treatment plants, material handling systems, food processing units, HVAC applications, and infrastructure projects. Its precise timing performance helps improve process control, reduce equipment wear, and enhance operational efficiency. Backed by Siemens' global reputation for engineering excellence, this timer relay delivers long-lasting reliability in critical industrial applications.

At SBsmart.in, we provide genuine Siemens industrial automation products trusted by engineers, OEMs, panel builders, and maintenance professionals worldwide. When you choose the Siemens 3RP1511-1AQ308K Electronic On-Delay Timer Relay, you invest in a proven industrial timing solution designed to deliver precision, durability, and dependable performance for years to come.