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MRX SERIES REED RELAY

Product catalog summary

Overview: The MRX Series Reed Relays are designed for use in intrinsic safety circuits, suitable for process automation in industries such as refineries, mining, and chemical sectors. They are particularly applicable in explosive environments.

Specifications:

Nominal Voltage: Options include 05, 12, and 24 VDC.
Contact Quantity: Available in 1, 2, or 4 contacts.
Contact Form: Options include Form A, C.
Switch Models: 21, 71, 79, 90.

Contact Data:

Rated Power: Maximum power ranges from 5W to 10W depending on the switch model.
Switching Voltage: Maximum ranges from 28V to 250V.
Switching Current: Maximum ranges from 0.24A to 0.5A.
Carry Current: Maximum ranges from 0.5A to 1.25A.
Contact Resistance: Maximum 150 mOhm.
Breakdown Voltage: Minimum ranges from 0.25 kVDC to 0.4 kVDC.
Operating Time: Maximum ranges from 0.5 ms to 2.5 ms.
Release Time: Maximum ranges from 0.1 ms to 2 ms.
Insulation Resistance: Typical values range from 10⁹ to 10¹¹ Ohm.
Capacitance: Typical values range from 0.3 pF to 1.0 pF.

Environmental Data:

Shock Resistance: Maximum 50g.
Vibration Resistance: Maximum 20g.
Operating Temperature: -20°C to 85°C.
Storage Temperature: -40°C to 105°C.
Soldering Temperature: Maximum 260°C for 5 seconds.

Coil Data:

Coil Voltage: Nominal values of 05, 12, and 24 VDC.
Coil Resistance: Typical values vary by contact form and switch model.
Pull-In Voltage: Maximum values vary by contact form and switch model.
Drop-Out Voltage: Minimum values vary by contact form and switch model.
Nominal Coil Power: Typical values vary by contact form and switch model.

Handling & Assembly Instructions:

Protective circuits are necessary for switching inductive and/or capacitive loads to prevent damage.
Consider external magnetic fields and packing density as they may affect electrical characteristics.
Avoid mechanical shocks to prevent failure.
Follow specific soldering recommendations to avoid damage.

Glossary:

Form A: Normally Open Contacts (SPST).
Form B: Normally Closed Contacts (SPST).
Form C: Changeover (SPDT).

Catalog excerpts

A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components Series Datasheet – MRX Reed Relays MRX Series Reed Relays Features: Ex-Approved for Intrinsic Safety Circuits Applications: Process Automatization in Refineries, Mining and Chemical Industry & Others Markets: Explosive Environment & Others Part Description: Nominal Voltage Contact Form Switch Model Customer Options Contact Data Switch Model Any DC combination of V&A not to exceed their individual max.’s Switching Voltage (max.) DC or peak AC Switching Current (max.) DC or peak AC Carry Current (max.) DC or peak AC Breakdown Voltage (min.) According to EN60255-5 Operating Time (max.) Incl. Bounce; Measured with w/ Nominal Voltage Release Time (max.) Measured with no Coil Excitation Insulation Resistance (typ.) Rh<45%, 100V Test Voltage Capacitance (typ.) @ 10kHz across open Switch │ [email protected] │ [email protected] │ [email protected] Modifications in the sense of technical progress are reserved.

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A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components Series Datasheet – MRX Reed Relays Coil Data Contact Switch Form Model Unit 1A Nominal Coil Power (typ.) The Pull-In / Drop-Out Voltage and Coil Resistance will change at rate of 0.4% per °C. *1A79 only available with Coil Voltage 12 ** 2A79 only available with Coil Voltage 24 ***1C21 only available with Coil Voltage 05 & 12 Environmental Data Operating Temperature Storage Temperature Soldering Temperature (max.) 1/2 sine wave duration 11ms Handling & Assembly Instructions Switching inductive and/or...

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A Global Leader in the Design, Development, and Manufacture of Sensor and Magnetic Components Series Datasheet - MRX ReecLRel Modifications in the sense of technical progress are reserved.

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