ZRM4N Relay Socket 14 Position DIN Rail - Equivalent & Substitute Parts

Part Overview

The ZRM4N is a 14-position relay socket designed for DIN rail mounting, manufactured by Carlo Gavazzi Inc. as part of the RRM series. This component provides screw terminal connectivity for RRM relay applications. The ZRM4N is classified as obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and component procurement.

Substiute Parts

ZRM4N

Carlo Gavazzi Inc.In Stock: 739ZRM4N Datasheet

Current PartRFQ

ZMI4NA

Carlo Gavazzi Inc.In Stock: 1275ZMI4NA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ZRM4N is determined by the following critical parameters:

• Number of Positions: 14 positions (exact match required)
• Mounting Type: DIN Rail (exact match required)
• Termination Style: Screw Terminal (exact match required)
• Socket Type: Relay socket for modular relay applications
• Manufacturer: Carlo Gavazzi Inc. (same manufacturer ensures design compatibility)

The ZMI4NA qualifies as a substitute based on matching all critical electrical and mechanical parameters. While the ZMI4NA belongs to the RMI series (versus the RRM series of the main part), both sockets maintain identical position count, mounting configuration, and termination methodology, enabling functional equivalence in DIN rail relay applications.

Parameter Comparison

Engineering Selection Recommendations

The ZMI4NA is the manufacturer-recommended substitute for the obsolete ZRM4N. Selection of the ZMI4NA is supported by:

• Product Status: The ZMI4NA maintains active production status, ensuring availability for new procurement and replacement applications.
• Electrical and Mechanical Compatibility: Both parts share identical position count (14), mounting configuration (DIN Rail), and termination method (Screw Terminal).
• Regulatory Compliance: The ZRM4N carries EAR99 classification; the ZMI4NA ECCN status is listed as obsolete in the reference data, though the part itself is active.
• Manufacturer Continuity: Both sockets are manufactured by Carlo Gavazzi Inc., ensuring design consistency and support infrastructure.

For applications currently using the ZRM4N, transition to the ZMI4NA provides functional equivalence with the advantage of active product support and ongoing availability.

Frequently Asked Questions (FAQ)

Q: Can the ZMI4NA directly replace the ZRM4N in existing installations?

A: Yes. Both sockets share identical electrical and mechanical specifications: 14 positions, DIN rail mounting, and screw terminal termination. The ZMI4NA is the manufacturer-recommended substitute.

Q: What is the difference between the RRM and RMI series designations?

A: The series designation indicates the relay family for which each socket is optimized. The ZRM4N (RRM series) and ZMI4NA (RMI series) are both 14-position DIN rail sockets with screw terminals, but are designed for their respective relay series. Compatibility is determined by the socket's electrical and mechanical parameters, not the series name alone.

Q: Why is the ZRM4N classified as obsolete?

A: The ZRM4N has been discontinued by the manufacturer. The ZMI4NA represents the current active equivalent for new designs and replacement applications.

Q: Are there any packaging differences between these parts?

A: Both the ZRM4N and ZMI4NA are supplied in box packaging. No packaging variation exists between these substitutes.

Q: What relay types are compatible with the ZMI4NA?

A: The ZMI4NA is designed for use with RMI series relays. Compatibility with other relay families should be verified against the specific relay series documentation.