Relpol RPC-1MB-UNI Multifunction Time Relay 1P 12-240V AC/DC 1s-10d

The Relpol RPC-1MB-UNI is a high-performance multifunction time relay engineered for precise timing control in industrial automation and electrical installations. This versatile device features a single-pole contact configuration and is designed to operate across a broad supply voltage range of 12-240V AC/DC, making it compatible with diverse power systems. With an extensive timing range spanning from 1 second to 10 days, it provides the flexibility needed for complex switching operations and time-delayed control tasks.

Advantages

This time relay stands out due to its universal voltage compatibility, which simplifies inventory management and installation by eliminating the need for multiple relay versions. Its multifunction capability allows for various operating modes, ensuring that a single unit can handle different automation requirements. The robust construction ensures reliable performance in demanding industrial environments, while the wide timing range offers exceptional versatility for both short-interval pulses and long-duration delays.

Suitable for

• Industrial automation and control systems
• Lighting control in commercial buildings
• Heating and ventilation systems
• Process control and machinery timing
• Delayed start or stop sequences in electrical circuits

When it may not be suitable

This device is not intended for high-current switching applications that exceed the rated contact capacity. It is also not suitable for environments with extreme moisture or corrosive gases unless housed in an appropriate protective enclosure.

Key specifications

• Contact configuration: 1P (Single-pole)
• Supply voltage: 12-240V AC/DC
• Timing range: 1 second to 10 days
• Frequency: 50/60 Hz
• Mounting: Standard DIN rail

How to use

The relay is designed for mounting on a standard DIN rail within an electrical cabinet. Before installation, ensure the power supply is disconnected. Connect the control voltage to the designated input terminals and wire the load to the output contact terminals. Use the front-mounted dials to select the desired time range and operating mode according to the specific requirements of your application. Once configured, restore power and verify the timing operation.

What to consider before purchase

• Verify that the load current does not exceed the relay's contact rating.
• Ensure the control voltage matches the 12-240V AC/DC range.
• Confirm that the required timing function is supported by the relay's available modes.
• Check the available space on the DIN rail for installation.

Usage recommendations

Always ensure that the relay is installed by a qualified professional in accordance with local electrical regulations. Regularly inspect the connections to ensure they remain tight and free from oxidation to maintain optimal performance over the device's lifespan.