The Siemens 3RP1533-1AQ308K Electronic Off-Delay Timer Relay is a reliable and high-performance timing device designed to provide accurate delayed switching for industrial automation, motor control, machine operation, and process management applications. As part of the renowned Siemens SIRIUS 3RP Electronic Timer Series, the 3RP1533-1AQ308K delivers dependable off-delay functionality, ensuring smooth operational control and enhanced system reliability across a wide range of industrial environments.
In modern industrial systems, timing relays play a critical role in controlling equipment shutdown sequences, delayed switching operations, ventilation systems, motor control circuits, lighting automation, and process control applications. The Siemens 3RP1533-1AQ308K Off-Delay Timer is specifically designed to maintain output operation for a preset period after the control signal is removed, allowing controlled shutdown procedures and preventing abrupt interruptions that could affect equipment performance or process stability. The timer provides a configurable off-delay time range of 5 to 100 seconds, making it suitable for numerous industrial control requirements.
The 3RP1533-1AQ308K features one Changeover Contact (1 C/O), offering flexible switching functionality for both normally open and normally closed circuit requirements. This versatile contact configuration enables integration into a variety of control circuits, simplifying system design and enhancing application flexibility. Siemens designed this relay to meet the demanding requirements of industrial control systems where consistent timing performance and switching reliability are essential.
A key advantage of the Siemens 3RP1533-1AQ308K Electronic Timer Relay is its compatibility with 24V AC, 100–127V AC, and 24V DC control voltages, allowing seamless integration into diverse automation systems and electrical panels. This flexibility helps reduce inventory requirements while simplifying system standardization across multiple installations.
Built using advanced solid-state electronic timing technology, the Siemens 3RP1533-1AQ308K delivers excellent switching precision and operational stability. Siemens specifies a repeat accuracy better than ±1% and a setting accuracy better than ±5%, ensuring highly reliable timing performance throughout the product's service life. This level of precision is particularly valuable in automated production environments where accurate timing directly influences process quality and operational efficiency.
The timer relay incorporates clear LED status indicators that provide immediate visual feedback regarding power supply and output status. These indicators simplify commissioning, troubleshooting, and maintenance activities, helping technicians quickly identify operating conditions and reduce system downtime. Siemens has also designed the relay with high electromagnetic compatibility (EMC), ensuring dependable operation even in electrically noisy industrial environments.
With its compact 22.5 mm housing width, the 3RP1533-1AQ308K Off-Delay Timer is ideal for installations where panel space is limited. The relay supports standard 35 mm DIN rail mounting, enabling fast and convenient installation within control panels, switchboards, and automation cabinets. Its space-saving design makes it a preferred choice for OEMs, panel builders, and industrial system integrators.
The Siemens SIRIUS 3RP1533-1AQ308K is widely used in manufacturing plants, water treatment facilities, HVAC systems, material handling equipment, packaging machinery, conveyor systems, industrial lighting controls, and process automation applications. By providing controlled delayed shutdown functionality, the relay helps improve equipment protection, reduce mechanical stress, and enhance overall system performance.
At SBsmart.in, we provide genuine Siemens automation and control products trusted by engineers, industrial buyers, panel builders, and maintenance professionals across multiple industries. When you purchase the Siemens 3RP1533-1AQ308K Electronic Off-Delay Timer Relay, you receive an authentic Siemens solution backed by proven engineering excellence, long-term reliability, and industry-leading performance.
Whether you are designing a new control panel, upgrading an automation system, or replacing an existing timing relay, the Siemens 3RP1533-1AQ308K delivers precise timing control, dependable switching performance, and exceptional durability. Choose SBsmart.in for genuine Siemens products that help optimize industrial operations and improve automation efficiency.
| Specification | Details |
|---|---|
| Product Name | Electronic Off-Delay Timer Relay |
| Manufacturer | Siemens |
| Series | SIRIUS 3RP |
| Model Number | 3RP1533-1AQ308K |
| SKU | 3RP1533-1AQ308K |
| Product Type | Off-Delay Timer |
| Timing Function | Off-Delay |
| Contact Configuration | 1 Changeover Contact (1 C/O) |
| Time Range | 5 – 100 Seconds |
| Control Supply Voltage | 24V AC / 100–127V AC / 24V DC |
| Voltage Type | AC/DC |
| Technology | Solid-State Electronic Timer |
| Repeat Accuracy | < ±1% |
| Setting Accuracy | < ±5% |
| Mounting Type | 35 mm DIN Rail Mounting |
| Housing Width | 22.5 mm |
| Terminal Type | Screw Terminals |
| Status Indication | LED Indicators |
| Protection Rating | IP20 |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Mechanical Endurance | Up to 30 Million Operations |
| Contact Material | AgSnO₂ (Silver Tin Oxide) |
| Application | Industrial Timing & Delay Control |
| Product Family | Siemens SIRIUS Timing Relays |
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