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Specification & Description
| Specification | Description |
|---|---|
| Part Number | DEK-REL-G24/21 |
| Manufacturer | Phoenix Contact |
| Product Type | Relay Terminal Block |
| Input Voltage | 24 V DC |
| Input Current | 9 mA |
| Power Dissipation | 0.22 W |
| Response Time | Typical 8 ms |
| Release Time | Typical 5 ms |
| Operating Voltage Display | Yellow LED |
| Protective Circuit | Reverse polarity protection diode, Free-wheeling diode |
| Contact Type | 1 PDT (Single contact, 1 changeover contact) |
| Contact Material | AgSnO |
| Maximum Switching Voltage | 250 V AC/DC |
| Minimum Switching Voltage | 12 V AC/DC |
| Minimum Switching Current | 10 mA |
| Maximum Inrush Current | 6 A |
| Limiting Continuous Current | 6 A |
| Interrupting Rating (Ohmic Load) | Max. 140 W (at 24 V DC), 20 W (at 48 V DC), 18 W (at 60 V DC), 23 W (at 110 V DC), 40 W (at 220 V DC), 1500 VA (for 250 V AC) |
| Switching Capacity | 2 A (at 24 V, DC13), 0.2 A (at 110 V, DC13), 0.1 A (at 220 V, DC13), 3 A (at 24 V, AC15) |
| Dimensions | 80 x 6.2 x 56 mm |
| Weight | 24.1 g |
| Mounting Position | Any |
| Connection Type | Screw connection |
| Conductor Cross Section Solid | Min. 0.2 mm² to Max. 2.5 mm² |
| Conductor Cross Section Stranded | Min. 0.2 mm² to Max. 2.5 mm² |
| Conductor Cross Section AWG | Min. 24 to Max. 14 |
| Stripping Length | 8 mm |
| Screw Thread | M3 |
| Certifications | CUL, GOST, UL |
The Phoenix Contact DEK-REL Series Relay Terminal Block is a compact and efficient solution for a variety of industrial applications. This particular model, the DEK-REL-G24/21, is designed to handle medium to large loads with its soldered-in miniature power relay. The relay terminal block features a single pole double throw (1 PDT) contact configuration, with contacts made from silver tin oxide (AgSnO) to ensure reliable operation and longevity.
With a nominal input voltage of 24 V DC and a typical input current of 9 mA, this relay terminal block is optimised for low power consumption. The quick response time of 8 ms and release time of 5 ms allow for rapid switching, which is essential in automated processes. The unit also includes a yellow LED for operating voltage display, providing a clear indication of the relay's status at a glance.
The DEK-REL-G24/21 is designed for easy mounting on NS 35/7.5 standardised rails, making it a versatile choice for system integration. Its slim profile, with a width of just 6.2 mm, allows for efficient use of space within control cabinets. Despite its small size, the relay terminal block boasts a high switching power of 250 V AC/6 A, making it suitable for a range of applications.
Safety is a key consideration, and the DEK-REL-G24/21 provides safe isolation according to DIN EN 50178 standards. It also features protective circuits, including a polarity protection diode, to safeguard against electrical mishaps.
Overall, the Phoenix Contact DEK-REL-G24/21 Relay Terminal Block is a reliable and space-saving component that offers high performance and safety for controlling medium to large loads in industrial environments. Its robust design and ease of use make it a valuable addition to any control system.
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Frequently Asked Questions
What is the typical input current for this relay terminal block?
The typical input current for the DEK-REL-G24/21 is 9 mA.
Can you describe the protective circuit features of this relay terminal block?
The protective circuit of the DEK-REL-G24/21 includes a polarity protection diode and a free-wheeling diode to safeguard against reverse polarity and voltage spikes.
What is the ambient operating temperature range for this relay terminal block?
The ambient operating temperature range for the DEK-REL-G24/21 is from -20 °C to 50 °C.
What type of contacts does this relay terminal block have?
The DEK-REL-G24/21 features a single-pole double-throw (SPDT) contact configuration with contact material made of AgSnO, suitable for medium to large loads.
What is the maximum switching voltage for this relay terminal block?
The maximum switching voltage for the DEK-REL-G24/21 is 250 V AC/DC.
What is the minimum switching current the relay terminal block can handle?
The minimum switching current that the DEK-REL-G24/21 can handle is 10 mA.
What is the width of the relay terminal block?
The width of the DEK-REL-G24/21 is 6.2 mm, making it a compact solution for space-constrained applications.
Is there an indicator for the operating voltage on this relay terminal block?
Yes, the DEK-REL-G24/21 is equipped with a yellow LED that indicates the presence of operating voltage.
What is the mechanical service life of this relay terminal block?
The mechanical service life of the DEK-REL-G24/21 is approximately 10 million cycles, ensuring long-term reliability.
What standards and regulations does this relay terminal block comply with?
The DEK-REL-G24/21 complies with IEC 60664, EN 50178, and IEC 62103 standards, ensuring its suitability for a wide range of industrial applications.
