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The Allen Bradley 440R-N23114 is a safety relay featuring two normally open (N/O) safety contact outputs, designed without delay. Operating at a supply voltage of 24V AC/DC, it ensures reliable performance across a range of applications.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Safety Relay |
| Product Line | Guardmaster Safety Relays |
| Part Number | 440R-N23114 |
| Weight | 5.00 lbs (2.27 kg) |
| UPC | 611320830514 |
| Safety Contact Outputs | 2 N/O, Undelayed |
| Supply Voltage | 24V AC/DC 20.4-26.4V |
| Power Consumption | 4 W |
| Input Wiring | 1 or 2-Channel |
| Terminal Type | Fixed Screw, 0.2-2.5 mm² |
| External Fusing | 6 A SB or 10 A QB |
| Thermal Current (Ith) | 6 A/Path |
| Output Contact Rating | 6 A @ 24V DC, 6 A @ 250V AC |
| Minimum Switching Current | 10 mA @ 10V |
| Electrical Durability | 100k-2M ops (load dependent) |
| Start Input | Integrated Start/Restart |
| Feedback Loop | External Contact Monitoring |
| Rated Impulse Voltage | 2500V |
The 440R-N23114 by Allen Bradley is categorized as a safety relay suitable for various safety applications. This relay supports a supply voltage between 20.4V and 26.4V AC/DC, ensuring versatility in systems requiring a reliable safety solution. With a power consumption of 4 watts, it maintains an efficient operational profile.
It provides two normally open (N/O) contact outputs, operating under undelayed conditions, and features integrated start/restart functionality. The relay is compatible with input wiring configurations for either one or two channels, allowing for flexibility in setup. The thermal current capacity is 6 A per path, which assures robust performance in demanding situations. It is also equipped with external fusing options of 6 A SB or 10 A QB to enhance its operational safety.
In terms of electrical ratings, the relay offers an output contact rating of 6 A at 24V DC and 6 A at 250V AC, with a minimum switching current requirement of 10 mA at 10V. The expected electrical durability ranges from 100,000 to 2 million operations, depending on the load conditions, providing a long lifecycle. The relay also includes features for external contact monitoring in its feedback loop, assisting in the maintenance of operational safety.
With a rated impulse voltage of 2500V, this relay exhibits strong resistance to transient surges, ensuring stability in various electrical environments. The use of fixed screw terminals for input wiring (0.2-2.5 mm²) further facilitates robust connections. Overall, the Allen Bradley 440R-N23114 safety relay reflects a solid choice in safety control applications.