H3CR-A8

Overview of Omron H3CR-A8

The Omron H3CR-A8 is a multi-functional solid-state timer designed for versatile timing control within industrial automation environments. Featuring an 8-pin configuration, it supports multiple operating modes and a wide timing range, making it suitable for various timing applications. It operates on a wide AC/DC voltage range, enhancing flexibility and reducing inventory needs.

Key Features

• Operating voltage: 24 to 48 VAC / 12 to 48 VDC (also variants for 100 to 240 VAC / 100 to 125 VDC).
• Timing range: 0.05 seconds to 300 hours depending on the mode.
• Contact output: DPDT relay, time-limit contact.
• Multiple operating modes including ON-delay, flicker ON/OFF start, interval, signal ON/OFF delay, and one-shot timing.
• Input type: Voltage input with low ON residual voltage (max 1 V) and high ON impedance (up to 1 kΩ).
• Power reset: Minimum power-opening time 0.1 seconds.
• Operating accuracy: ±0.2% of full scale max ±10 ms in timing range up to 1.2 seconds.
• Power consumption: Approximates 0.8 W at 24 VDC, 2.1 VA at 240 VAC when relay ON.
• Protection: High noise immunity and insulation resistance of minimum 100 MΩ.
• Mounting: DIN rail, surface, flush mounting options available.
• Dimensions: 48 × 48 mm standard DIN panel size.
• Approvals: UL, CSA, NK, Lloyds certified and compliant with IEC and EMC standards.

Technical Specifications

Applications

The H3CR-A8 timer is ideal for precise control of machinery and processes requiring multiple timing functions such as delay on/off, interval timing, and pulse generation. Its wide operating voltage range and flexible modes make it perfect for integration into various automation, manufacturing, and process control systems.