The Siemens 3RP1533-1AP308K Electronic On-Delay Timer Relay is a high-performance industrial timing device engineered to deliver precise delayed switching for automation, machine control, motor control, and process management applications. Part of the globally trusted Siemens SIRIUS 3RP Electronic Timer Series, the 3RP1533-1AP308K combines reliable timing performance, compact design, and exceptional durability, making it an ideal choice for modern industrial control systems. Designed with 1 Changeover Contact (1 C/O) and an adjustable 5 to 100-second timing range, this timer relay provides dependable control for a wide range of industrial operations.
In industrial automation, accurate timing is critical for ensuring smooth machine operation, process sequencing, delayed motor starting, conveyor control, packaging systems, HVAC applications, and electrical control circuits. The Siemens 3RP1533-1AP308K On-Delay Timer is specifically designed to introduce a controlled delay between receiving an input signal and activating the output contact. This functionality helps prevent unwanted simultaneous switching, reduces electrical stress on equipment, and improves overall system efficiency.
The 3RP1533-1AP308K Electronic Timer Relay features a configurable time range of 5 to 100 seconds, allowing engineers and technicians to optimize timing sequences according to application requirements. Whether used in manufacturing plants, material handling systems, water treatment facilities, process industries, or building automation systems, the relay ensures consistent and accurate timing performance.
One of the key advantages of the Siemens 3RP1533-1AP308K is its versatile operating voltage compatibility. The relay supports 24V AC, 200–240V AC, and 24V DC control voltages, making it suitable for a broad range of industrial installations. This flexibility simplifies inventory management and enables system designers to standardize components across multiple projects and control panels.
Built using Siemens' advanced solid-state timing technology, the 3RP1533-1AP308K On-Delay Timer offers superior timing accuracy and switching reliability. Siemens specifies a repeat accuracy of better than ±1% and a setting accuracy better than ±5%, ensuring stable operation and repeatable performance even under demanding industrial conditions. This high level of precision makes the timer particularly suitable for applications where process timing directly impacts productivity and product quality.
The relay incorporates LED status indicators that provide clear visual feedback regarding power supply and output switching status. These indicators simplify installation, commissioning, troubleshooting, and maintenance activities by allowing operators and technicians to quickly verify relay operation. Siemens has also integrated excellent electromagnetic compatibility (EMC) characteristics to ensure reliable performance in electrically noisy industrial environments.
With its slim 22.5 mm housing width, the Siemens 3RP1533-1AP308K Electronic Timer Relay helps save valuable panel space while maintaining easy access for wiring and servicing. The relay is designed for standard 35 mm DIN rail mounting, making installation quick and convenient for panel builders, OEMs, and automation professionals. Its compact footprint is especially beneficial in modern control cabinets where space optimization is essential.
The Siemens SIRIUS 3RP1533-1AP308K is widely used across industries including manufacturing, packaging, process automation, HVAC, water treatment, material handling, food processing, and infrastructure projects. Applications include delayed motor starting, sequential machine operations, conveyor control, pump management, fan control, and automated switching systems. By providing accurate on-delay functionality, the relay helps improve equipment protection, reduce operational stress, and enhance process reliability.
At SBsmart.in, we are committed to supplying genuine Siemens industrial automation products trusted by engineers, panel builders, OEMs, maintenance professionals, and procurement teams. When you purchase the Siemens 3RP1533-1AP308K Electronic On-Delay Timer Relay, you receive an authentic Siemens solution backed by decades of engineering excellence, global quality standards, and proven industrial performance.
Whether you are designing a new automation system, upgrading an existing control panel, or replacing a timing relay in critical equipment, the Siemens 3RP1533-1AP308K delivers the precision, reliability, and long-term durability required for modern industrial control applications. Choose SBsmart.in for trusted Siemens automation solutions that enhance efficiency, reliability, and operational performance.
| Specification | Details |
|---|---|
| Product Name | Electronic On-Delay Timer Relay |
| Manufacturer | Siemens |
| Series | SIRIUS 3RP |
| Model Number | 3RP1533-1AP308K |
| SKU | 3RP1533-1AP308K |
| Product Type | On-Delay Timer |
| Timing Function | On-Delay |
| Contact Configuration | 1 Changeover Contact (1 C/O) |
| Time Range | 5 – 100 Seconds |
| Control Supply Voltage | 24V AC / 200–240V 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 +80°C |
| Mechanical Endurance | Up to 30 Million Operations |
| Contact Material | AgSnO₂ (Silver Tin Oxide) |
| Application | Delayed Switching & Automation Control |
| Product Family | Siemens SIRIUS Timing Relays |
No reviews yet.