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Equivalent & Substitute Parts for GLCA03C-6
Part Overview
The Honeywell GLCA03C-6 is a snap action switch with SPDT (BBM) circuit configuration, rated for 6A AC at 120V and 550mA DC at 125V. This component features a roller plunger actuator, chassis mount configuration, and IP67 ingress protection suitable for dust-tight and waterproof applications. The GLCA03C-6 is classified as obsolete, necessitating identification of functionally equivalent alternatives from active product lines to maintain system continuity and ensure long-term component availability.
Substiute Parts
Key Parameters
| Parameter | GLCA03C-6 Value |
|---|---|
| Manufacturer | Honeywell Sensing and Productivity Solutions |
| Series | GLS |
| Product Status | Obsolete |
| Circuit Configuration | SPDT (BBM) |
| Switch Function | On-Mom |
| Current Rating (AC) | 6A |
| Current Rating (DC) | 550mA |
| Voltage Rating (AC) | 120V |
| Voltage Rating (DC) | 125V |
| Actuator Type | Roller Plunger |
| Mounting Type | Chassis Mount |
| Termination Style | Screw Terminal |
| Ingress Protection | IP67 |
| Operating Temperature Range | -40°C to 85°C |
| Mechanical Life | 15,000,000 Cycles |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the GLCA03C-6 requires evaluation against the following critical parameters:
Circuit Configuration Compatibility: The GLCA03C-6 operates as SPDT (BBM), providing single-pole double-throw functionality with break-before-make contact sequence. Substitute parts from the Omron D4N series provide DPST-NO/NC (MBB or standard) configurations, which offer dual-pole functionality with make-before-break or break-before-make sequences depending on specific model designation.
Electrical Ratings: The main part is rated for 6A AC at 120V and 550mA DC at 125V. All identified substitute parts from the D4N series are rated for 3A AC at 240V and 270mA DC at 250V. These substitutes operate at higher voltage ratings but lower current capacity.
Actuator and Mechanical Characteristics: The GLCA03C-6 features a roller plunger actuator with 1.100" (28.0mm) operating position, 0.120" (3.0mm) pretravel, and 0.035" (0.9mm) differential travel. Substitute parts include both roller plunger and lever-roller combination actuators with varying operating positions ranging from 1.100" to 1.457" (28.0mm to 37.0mm).
Environmental and Compliance Specifications: All parts maintain IP67 ingress protection, screw terminal termination, and chassis mount configuration. Operating temperature ranges differ, with the main part rated -40°C to 85°C and substitutes rated -30°C to 70°C. RoHS compliance status varies across substitute models.
Product Status and Availability: The GLCA03C-6 is obsolete with 720 units in stock. All identified D4N series substitutes are active products with current manufacturing status and higher inventory levels (834 to 1,142 units).
Parameter Comparison
| Parameter | GLCA03C-6 | D4N-1132 | D4N-1162 | D4N-1A32 | D4N-1A62 | D4N-1E32 | D4N-1E62 | D4N-2132 | D4N-2162 | D4N-2A32 | D4N-2A62 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Honeywell | Omron | Omron | Omron | Omron | Omron | Omron | Omron | Omron | Omron | Omron |
| Series | GLS | D4N | D4N | D4N | D4N | D4N | D4N | D4N | D4N | D4N | D4N |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Circuit Configuration | SPDT (BBM) | DPST-NO/NC | DPST-NO/NC | DPST-NO/NC | DPST-NO/NC | DPST-NO/NC (MBB) | DPST-NO/NC (MBB) | DPST-NO/NC | DPST-NO/NC | DPST-NO/NC | DPST-NO/NC |
| Switch Function | On-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom | On-Mom, Off-Mom |
| Current Rating (AC) | 6A | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A | 3A |
| Current Rating (DC) | 550mA | 270mA | 270mA | 270mA | 270mA | 270mA | 270mA | 270mA | 270mA | 270mA | 270mA |
| Voltage Rating (AC) | 120V | 240V | 240V | 240V | 240V | 240V | 240V | 240V | 240V | 240V | 240V |
| Voltage Rating (DC) | 125V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V | 250V |
| Actuator Type | Roller Plunger | Roller Plunger | Lever, Roller | Roller Plunger | Lever, Roller | Roller Plunger | Lever, Roller | Roller Plunger | Lever, Roller | Roller Plunger | Lever, Roller |
| Mounting Type | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount | Chassis Mount |
| Termination Style | Screw Terminal | Screw Terminal | Screw Terminal | Screw Terminal | Screw Terminal | Screw Terminal | Screw Terminal | Screw Terminal | Screw Terminal | Screw Terminal | Screw Terminal |
| Ingress Protection | IP67 | IP67 | IP67 | IP67 | IP67 | IP67 | IP67 | IP67 | IP67 | IP67 | IP67 |
| Operating Temperature Range | -40°C to 85°C | -30°C to 70°C | -30°C to 70°C | -30°C to 70°C | -30°C to 70°C | -30°C to 70°C | -30°C to 70°C | -30°C to 70°C | -30°C to 70°C | -30°C to 70°C | -30°C to 70°C |
| Mechanical Life | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles | 15,000,000 Cycles |
| Electrical Life | Not specified | 300,000 Cycles | 300,000 Cycles | 300,000 Cycles | 300,000 Cycles | 300,000 Cycles | 300,000 Cycles | 300,000 Cycles | 300,000 Cycles | 300,000 Cycles | 300,000 Cycles |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not applicable | Not applicable | Not applicable | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | Not applicable |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Inventory Status | 720 Pcs (Obsolete) | 893 Pcs (Active) | 843 Pcs (Active) | 1034 Pcs (Active) | 971 Pcs (Active) | 868 Pcs (Active) | 962 Pcs (Active) | 1142 Pcs (Active) | 1109 Pcs (Active) | 834 Pcs (Active) | 829 Pcs (Active) |
Engineering Selection Recommendations
Primary Substitution Candidates with Roller Plunger Actuators:
The D4N-1E32, D4N-1A32, D4N-2132, and D4N-2A32 models feature roller plunger actuators matching the GLCA03C-6 mechanical interface. Among these, D4N-1E32 and D4N-2132 provide the closest operating position alignment at 1.100" (28.0mm) and 1.125" (28.6mm) respectively. D4N-1E32 is designated with MBB (make-before-break) contact sequence and carries active product status with ROHS3 compliance not applicable. D4N-2132 maintains ROHS3 compliance and offers the highest inventory availability at 1,142 units.
Secondary Substitution Candidates with Lever-Roller Actuators:
The D4N-1162, D4N-1A62, D4N-1E62, D4N-2162, and D4N-2A62 models incorporate lever-roller combination actuators with extended operating positions ranging from 1.417" to 1.457" (36.0mm to 37.0mm). These configurations provide alternative mechanical engagement characteristics suitable for applications requiring different actuation profiles. D4N-2162 combines lever-roller actuation with ROHS3 compliance and 1,109 units in inventory.
Compliance and Regulatory Considerations:
All substitute parts maintain IP67 ingress protection and MSL 1 moisture sensitivity ratings consistent with the GLCA03C-6. RoHS compliance varies across the D4N series, with models D4N-1132, D4N-1162, D4N-1A32, D4N-2132, D4N-2162, and D4N-2A32 designated as ROHS3 compliant. Models D4N-1A62, D4N-1E32, D4N-1E62, and D4N-2A62 carry "Not applicable" RoHS status designations.
Electrical Rating Derating:
Applications utilizing the GLCA03C-6 at 6A AC/120V or 550mA DC/125V must account for the reduced current capacity of D4N series substitutes (3A AC/240V or 270mA DC/250V). Circuit designs must ensure load currents remain within substitute part ratings. The higher voltage ratings of substitute parts provide operational margin in higher-voltage system implementations.
Temperature Range Limitations:
The GLCA03C-6 operates across -40°C to 85°C, while all D4N substitutes are rated -30°C to 70°C. Applications requiring operation below -30°C or above 70°C cannot utilize these substitutes without design modification or alternative component selection.
Frequently Asked Questions (FAQ)
Q: Can the D4N series switches directly replace the GLCA03C-6 in existing circuit designs?
A: Direct replacement requires circuit evaluation. While both maintain identical mounting type (chassis mount), termination style (screw terminal), and ingress protection (IP67), the D4N series provides DPST-NO/NC circuit configuration versus the GLCA03C-6 SPDT (BBM) configuration. Circuit topology must accommodate dual-pole functionality. Additionally, current ratings differ (3A AC versus 6A AC), requiring load current verification.
Q: What is the significance of the MBB versus standard DPST designation in D4N models?
A: MBB (make-before-break) contact sequence, designated in D4N-1E32 and D4N-1E62, establishes the new contact before breaking the previous connection. Standard DPST models employ break-before-make sequence. Selection depends on application requirements for contact continuity during switching transitions. Applications sensitive to momentary signal interruption benefit from MBB configuration.
Q: How do operating position differences affect mechanical compatibility?
A: Operating position specifies the actuator travel distance required to trigger contact switching. The GLCA03C-6 operates at 1.100" (28.0mm). Roller plunger substitutes (D4N-1E32, D4N-1A32, D4N-2132, D4N-2A32) maintain similar positions (1.100" to 1.125"). Lever-roller models (D4N-1162, D4N-1A62, D4N-1E62, D4N-2162, D4N-2A62) require 1.417" to 1.457" (36.0mm to 37.0mm) travel. Mechanical linkages and cam profiles must accommodate these differences.
Q: Are there inventory advantages to selecting specific D4N models?
A: Yes. D4N-2132 provides the highest inventory level at 1,142 units, followed by D4N-2162 at 1,109 units and D4N-1A32 at 1,034 units. These models support sustained production requirements and reduce supply chain risk compared to lower-inventory alternatives.
Q: What compliance certifications should be verified for new designs?
A: ROHS3 compliance is specified for D4N-1132, D4N-1162, D4N-1A32, D4N-2132, D4N-2162, and D4N-2A32. Models D4N-1A62, D4N-1E32, D4N-1E62, and D4N-2A62 carry "Not applicable" RoHS status. REACH compliance is specified as "REACH Unaffected" for models with explicit REACH designation. Design specifications must confirm compliance requirements for target markets and applications.
Q: How do pretravel and differential travel specifications impact switch performance?
A: Pretravel represents the actuator distance traveled before contact switching initiates. The GLCA03C-6 specifies 0.120" (3.0mm) pretravel. D4N roller plunger models specify 0.080" to 0.110" (2.0mm to 2.8mm) pretravel, while lever-roller models specify 0.157" (4.0mm). Differential travel defines the distance between contact opening and closing points. The GLCA03C-6 specifies 0.035" (0.9mm) differential travel. These parameters affect actuation sensitivity and hysteresis characteristics in mechanical systems.
Q: What temperature range limitations apply to D4N substitutes?
A: All D4N series substitutes operate within -30°C to 70°C temperature range, compared to the GLCA03C-6 range of -40°C to 85°C. Applications requiring operation at temperatures below -30°C or above 70°C cannot utilize these substitutes. Environmental chamber testing or alternative component selection is required for extended temperature applications.
Q: How do electrical life ratings compare between the main part and substitutes?
A: The GLCA03C-6 does not specify electrical life rating. All D4N series substitutes specify 300,000 electrical life cycles. Both the main part and substitutes specify 15,000,000 mechanical life cycles. Electrical life represents contact switching cycles under rated electrical load, while mechanical life represents total actuator cycles regardless of electrical load.
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