Overview
The Carlo Gavazzi DAA51CM24 is a precision on-delay time relay designed for industrial automation and control circuits. This multi-voltage timer accepts 24 VDC and 24-240 VAC supply, providing flexible power options for diverse control systems. The compact 17.5 mm DIN rail housing integrates easily into control panels and serves both back and front panel mounting configurations.
Key Features
- SPDT Relay Output: Single changeover contact rated 5A at 250VAC or 24VDC, suitable for motor controls and load switching
- Adjustable Timing Range: 7 selectable ranges spanning 0.1 seconds to 100 hours with knob selection
- High Repeatability: ≤0.2% timing accuracy ensures consistent on-delay performance across repeat cycles
- Dual LED Indicators: Visual feedback for output relay status and power supply voltage
- Automatic Start: Timing begins automatically when power is applied
- Screw Terminals: Dependable wiring connections for industrial applications
Technical Specifications
- Supply Voltage: 24 VDC, 24-240 VAC (50/60 Hz)
- Power Consumption: 1.5 W (typical)
- Output Contact Rating: 5A at 250VAC (AC1), 5A at 24VDC (DC12); 2.5A at 250VAC (AC15), 2.5A at 24VDC (DC13)
- Output Type: 1 SPDT (Form C) changeover relay
- Timing Ranges: 0.1s–10s, 1s–100s, 10s–1000s, and multi-range options
- Maximum Delay: 100 hours
- Repeatability: ≤0.2%
- Mounting: 17.5 mm × 81 mm × 67.2 mm DIN rail module
- Weight: 60 grams
- Termination: Screw terminals
- Certifications: UL Recognized, CSA Approved, CE Compliant; RoHS Compliant
- Contact Material: Tin/silver composite
Typical Applications
The DAA51CM24 is widely deployed in:
- Motor Control: Soft-start delays and pump run-on timers in industrial machinery
- HVAC Systems: Compressor and fan delay sequencing
- Lighting Control: Delayed illumination start and fade-out routines
- Process Automation: Equipment synchronization and sequential operation logic
- Building Systems: Stairwell and emergency lighting circuits
- Laboratory Equipment: Precise timing control in test and measurement systems
Compatibility & Replacements
Compatible With
- Standard 24-240VAC/VDC industrial control systems
- DIN rail mounted control panels and relay racks
- Conventional electromagnetic and solid-state relay circuits
- HVAC and building automation control architectures
- Motor starter circuits and soft-start modules
Replaces / Drop-In Replacement For
The Carlo Gavazzi DAA51CM24 is part of the DAA51 series. Verify compatibility with your system integrator or control panel design before ordering to ensure correct voltage selection and timing range requirements.
Works With
- EtherNet/IP and PROFINET gateways for remote monitoring (via third-party interfaces)
- Programmable controllers and logic controllers interfacing analog relay outputs
- Conventional hardwired control circuits and electromechanical starters
- Industrial relays, contactors, and solenoid valve drivers
