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2981428

Marvo Part ID: MV-27VW

£359.84 (ex. VAT)

Phoenix Contact

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2981428 Product Description

The Phoenix Contact 2981428 is a versatile and reliable safety relay designed for monitoring emergency stop and safety door applications. Engineered to meet the stringent requirements of SIL 3 or Cat. 4, PL e according to EN ISO 13849, this safety relay ensures the highest level of operational safety for industrial environments.

Featuring both one- and two-channel operation, the 2981428 allows for flexibility in application, with the option for automatic or manual activation. It is equipped with three normally open (N/O) contacts and one normally closed (N/C) contact, alongside two N/O contacts with a dropout delay adjustable from 0.2 seconds to 300 seconds, catering to a wide range of safety scenarios.

The relay's plug-in screw terminal block ensures a secure and durable connection, while its compact dimensions (45 x 99 x 114.5 mm for the screw connection version) make it suitable for installation in space-constrained areas. The device operates within an ambient temperature range of -20 °C to 55 °C, with derating, and can be used in locations up to 2000 metres above sea level.

With a nominal input voltage of 24 V DC and a typical input current of 155 mA DC, the 2981428 is designed for energy efficiency. The relay also features LED status indicators for clear and immediate feedback on operational status.

This safety relay is an essential component for any industrial safety system, providing reliable performance and peace of mind in safeguarding personnel and equipment.

Frequently Asked Questions

What is the function of this safety relay?

This safety relay is designed for emergency stop and safety door monitoring applications. It can be used in one- or two-channel operation and supports both automatic and manual activation. It's suitable for applications up to SIL 3 or Cat. 4, PL e according to EN ISO 13849.

Can this relay be used for high-demand safety applications?

Yes, the safety relay is rated for high-demand safety applications and conforms to SIL 3 for delayed contacts and SIL 2, ensuring reliable performance in critical systems.

What are the contact configurations available in this relay?

The relay offers three enabling current paths that are undelayed, two enabling current paths that are delayed, and one signaling current path that is undelayed.

What is the maximum switching voltage for this relay?

The maximum switching voltage for the relay is 250 V AC/DC, but it's important to observe the load curve to ensure safe operation.

Is there a minimum switching voltage for this relay?

Yes, the minimum switching voltage for this relay is 5 V AC/DC.

What type of contacts does the relay use?

The relay uses contacts made from silver tin oxide (AgSnO2), which is known for its durability and good conductivity.

How should this relay be mounted?

The relay should be mounted on a 35 mm DIN rail according to EN 60715, which is a standard mounting practice for industrial control equipment.

What is the typical response time for this relay?

The typical response time for the relay is less than 600 ms for automatic start and less than 70 ms for manual start.

What is the ambient operating temperature range for this relay?

The ambient operating temperature range for the relay is between -20 °C and 55 °C, but it's important to observe derating to ensure optimal performance.

Can this relay be used at altitudes greater than 2000 metres above sea level?

Yes, the relay can be used at altitudes up to 4500 metres above sea level, but certain conditions regarding voltage, temperature, and derating must be observed as specified in the datasheet.