D4GL-1GFA-A4 Equivalent & Substitute Parts

Part Overview

The D4GL-1GFA-A4 is an interlock solenoid release manufactured by Omron Automation and Safety, configured as a 3PST switch with integrated status indicator and panel disconnect actuator. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing maintenance and new system designs. The D4GL series has been superseded by the D4SL-N series, which maintains functional compatibility while offering active product status and enhanced electrical ratings.

Substiute Parts

D4GL-1GFA-A4

Omron Automation and SafetyIn Stock: 945D4GL-1GFA-A4 Datasheet

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D4SL-N4GFA-D4

Omron Automation and SafetyIn Stock: 783D4SL-N4GFA-D4 Datasheet

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D4SL-N4GFA-D4N

Omron Automation and SafetyIn Stock: 748D4SL-N4GFA-D4N Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the D4GL-1GFA-A4 is based on the following critical parameters that must align across equivalent parts:

Functional Compatibility Parameters:

• Circuit configuration: 3PST-NC + DPST-NO/NC
• Actuator type: Panel Disconnect
• Features: Status Indicator
• Ingress Protection: IP67 minimum
• Operating temperature range: -10°C ~ 55°C

Electrical Compatibility Parameters:

• Supply voltage: 24VDC
• AC current handling capability: minimum 750mA
• Voltage rating: compatible with 240VAC operation

Mechanical Compatibility Parameters:

• Termination style compatibility
• Conduit thread interface
• Holding force requirements

The D4SL-N4GFA-D4 and D4SL-N4GFA-D4N both satisfy these core functional and electrical requirements while offering improved specifications and active product status. Both substitute parts maintain the 3PST-NC + DPST-NO/NC circuit configuration, panel disconnect actuator, status indicator, IP67 rating, and identical operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

D4SL-N4GFA-D4 Selection Criteria: This part is suitable for applications requiring screw terminal connections and higher holding force (133kgf). It provides active product status with extended availability and improved AC current rating (1.5A versus 750mA). The part carries expanded regulatory approvals including CCC certification. Conduit thread interface changes from PG14.6 to M20, requiring mechanical interface verification.

D4SL-N4GFA-D4N Selection Criteria: This part is suitable for applications requiring connector-based termination and lower holding force (6kgf). It maintains 24VDC supply voltage specification matching the original part and provides active product status. The connector termination style represents a significant interface change from the screw terminal original. Conduit thread interface changes from PG14.6 to M20, requiring mechanical interface verification. This part carries expanded regulatory approvals including CCC certification.

Substitution Feasibility: Both D4SL-N series parts maintain functional equivalence through identical circuit configuration, actuator type, status indicator feature, and environmental ratings. Selection between the two substitute parts depends on termination style requirements (screw terminal versus connector) and holding force specifications for the target application. Mechanical interface modifications may be required due to conduit thread size differences.

Frequently Asked Questions (FAQ)

Q: Can D4SL-N4GFA-D4 directly replace D4GL-1GFA-A4 without modifications? A: Functional substitution is possible, but mechanical interface changes must be evaluated. The conduit thread size changes from PG14.6 to M20, requiring adapter or interface modification. Screw terminal connections are maintained, but electrical ratings differ.

Q: What is the primary difference between D4SL-N4GFA-D4 and D4SL-N4GFA-D4N? A: The primary differences are termination style (screw terminal versus connector) and holding force (133kgf versus 6kgf). Both maintain identical circuit configuration and environmental specifications. Selection depends on application requirements for connection method and force rating.

Q: Are the D4SL-N series parts backward compatible with D4GL-1GFA-A4 installations? A: Electrical and functional compatibility exists for the circuit configuration and control logic. However, mechanical compatibility requires assessment of conduit thread interface (PG14.6 to M20 change) and termination style. Holding force differences must be evaluated for specific load requirements.

Q: What regulatory approvals should be considered when substituting this part? A: The original D4GL-1GFA-A4 carries CE, cULus, and TUV approvals. Both D4SL-N substitute parts carry CE, cURus, and TUV approvals, with additional CCC certification. Verify that target application requirements align with available certifications.

Q: Does the change in voltage rating from 240VAC to 120VAC affect substitution? A: The D4SL-N series parts are rated for 120VAC operation, which is lower than the original 240VAC rating. Applications operating at 240VAC require confirmation that the substitute part's voltage rating is appropriate for the system design.

Q: What is the impact of holding force differences between substitute parts? A: D4SL-N4GFA-D4 provides 133kgf (higher than original 102kgf), while D4SL-N4GFA-D4N provides 6kgf (significantly lower). Holding force directly affects mechanical load capacity. Application requirements must determine which holding force specification is acceptable.