GNR25DCZ Equivalent & Substitute Parts

Part Overview

The GNR25DCZ is a Solid State Relay (SSR) manufactured by Sensata-Crydom, configured as a 3PST-NO (3 Form A) module with 25A load capacity and AC zero-cross output switching. This component operates with 4–32VDC input control and supports load voltages from 48V to 600V. The part is currently in Last Time Buy status, indicating discontinued production. Identifying equivalent and substitute parts is necessary to ensure continued availability for maintenance, repair, and new system designs that require this functional specification.

Substiute Parts

GNR25DCZ

Sensata-CrydomIn Stock: 1144GNR25DCZ Datasheet

Current PartRFQ

DR6760D25P

Sensata-CrydomIn Stock: 1087DR6760D25P Datasheet

MFR RecommendedRFQ

GNR25DCZH

CrouzetIn Stock: 963GNR25DCZH Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the GNR25DCZ is determined by strict equivalence across the following critical parameters:

• Circuit Configuration: Must be 3PST-NO (3 Form A) to maintain identical switching topology
• Load Current: Must be rated for 25 A minimum
• Input Voltage Range: Must accommodate 4–32VDC control signal
• Load Voltage Range: Must support 48V minimum to 600V maximum
• Output Type: Must be AC with zero-cross switching capability
• Termination: Must use screw terminal connection
• RoHS Compliance: Must meet ROHS3 standard for regulatory alignment

Two substitute parts meet these criteria with variations in mounting configuration and thermal management design.

Parameter Comparison

Engineering Selection Recommendations

DR6760D25P is the manufacturer-recommended substitute from Sensata-Crydom. It maintains identical electrical specifications while adding an integrated heat sink for enhanced thermal management. This part supports both chassis mount and DIN rail configurations, providing installation flexibility. Active product status ensures long-term availability and supply chain continuity.

GNR25DCZH is a direct functional equivalent manufactured by Crouzet. It maintains the same circuit configuration, input/output voltage ranges, and current rating. The load voltage range extends to 660V maximum, providing broader application compatibility. This part is actively produced and available in box packaging. REACH status differs from the main part, requiring compliance verification for specific regulatory jurisdictions.

Both substitutes are ROHS3 compliant and support the same control voltage and switching topology as the GNR25DCZ.

Frequently Asked Questions (FAQ)

Q: Can DR6760D25P replace GNR25DCZ in existing designs? A: Yes. DR6760D25P meets all electrical specifications of GNR25DCZ. The integrated heat sink provides additional thermal performance. Mounting flexibility allows installation in both DIN rail and chassis mount configurations. Physical dimensions and terminal layout must be verified for mechanical fit in the existing enclosure.

Q: What is the difference between GNR25DCZH and GNR25DCZ? A: GNR25DCZH is manufactured by Crouzet rather than Sensata-Crydom. Electrical specifications are functionally equivalent. GNR25DCZH supports a higher maximum load voltage of 660V compared to 600V. REACH compliance status differs. Both use identical screw terminal connections and DIN rail mounting.

Q: Why does DR6760D25P have an integrated heat sink? A: The integrated heat sink improves thermal dissipation during continuous 25A operation. This design enhancement allows for higher ambient temperature operation and extended component life. The heat sink does not affect electrical performance or switching characteristics.

Q: Are all three parts pin-compatible? A: All three parts use screw terminal connections and maintain identical circuit topology (3PST-NO). Physical terminal spacing and enclosure dimensions must be confirmed before installation to ensure mechanical compatibility in the target application.

Q: Which substitute should be selected for new designs? A: DR6760D25P is recommended for new designs due to active product status from the original manufacturer, integrated thermal management, and dual mounting flexibility. GNR25DCZH is suitable where Crouzet supply chain preference exists or where the extended 660V load voltage range is required.