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GLAD01B Snap Action Switch - Equivalent & Substitute Parts
Part Overview
The GLAD01B is a snap action switch manufactured by Honeywell Sensing and Productivity Solutions, classified as a Single Pole Double Throw (SPDT) chassis mount switch with a round pin plunger actuator. This component is rated for 6A AC at 120V and 550mA DC at 125V, featuring IP67 ingress protection suitable for dust-tight and waterproof applications.
The GLAD01B carries an obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this switch architecture.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Circuit Configuration | SPDT (Single Pole Double Throw) |
| Switch Function | On-Momentary |
| Current Rating (AC) | 6A |
| Current Rating (DC) | 550mA |
| Voltage Rating (AC) | 120V |
| Voltage Rating (DC) | 125V |
| Actuator Type | Round Pin Plunger |
| Mounting Type | Chassis Mount |
| Termination Style | Screw Terminal |
| Ingress Protection | IP67 |
| Operating Force | 1632gf |
| Operating Position | 1.380" (35.0mm) |
| Pretravel | 0.100" (2.5mm) |
| Differential Travel | 0.035" (0.9mm) |
| Overtravel | 0.180" (4.6mm) |
| Operating Temperature Range | -25°C to 85°C |
| Mechanical Life | 15,000,000 Cycles |
| RoHS Compliance | Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the GLAD01B is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications in the following categories:
Electrical Parameters: Circuit configuration (SPDT), switch function (On-Momentary), current ratings (6A AC / 550mA DC), and voltage ratings (120V AC / 125V DC) must be exactly matched.
Mechanical Parameters: Actuator type (round pin plunger), mounting configuration (chassis mount), termination method (screw terminal), and ingress protection rating (IP67) must be identical.
Operational Characteristics: Operating force (1632gf), operating position (1.380" / 35.0mm), pretravel (0.100" / 2.5mm), differential travel (0.035" / 0.9mm), and overtravel (0.180" / 4.6mm) must match exactly.
Environmental Specifications: Operating temperature range (-25°C to 85°C) and mechanical life rating (15,000,000 cycles) must be equivalent.
Compliance Requirements: RoHS compliance status and MSL rating must be maintained.
Parameter Comparison
| Parameter | GLAD01B (Main Part) | GLAC01B (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Honeywell Sensing and Productivity Solutions | Honeywell Sensing and Productivity Solutions | Identical |
| Series | GLS | GLS | Identical |
| Circuit Configuration | SPDT | SPDT | Identical |
| Switch Function | On-Momentary | On-Momentary | Identical |
| Current Rating (AC) | 6A | 6A | Identical |
| Current Rating (DC) | 550mA | 550mA | Identical |
| Voltage Rating (AC) | 120V | 120V | Identical |
| Voltage Rating (DC) | 125V | 125V | Identical |
| Actuator Type | Round Pin Plunger | Round Pin Plunger | Identical |
| Mounting Type | Chassis Mount | Chassis Mount | Identical |
| Termination Style | Screw Terminal | Screw Terminal | Identical |
| Ingress Protection | IP67 | IP67 | Identical |
| Operating Force | 1632gf | 1632gf | Identical |
| Operating Position | 1.380" (35.0mm) | 1.380" (35.0mm) | Identical |
| Pretravel | 0.100" (2.5mm) | 0.100" (2.5mm) | Identical |
| Differential Travel | 0.035" (0.9mm) | 0.035" (0.9mm) | Identical |
| Overtravel | 0.180" (4.6mm) | 0.180" (4.6mm) | Identical |
| Operating Temperature Range | -25°C to 85°C | -25°C to 85°C | Identical |
| Mechanical Life | 15,000,000 Cycles | 15,000,000 Cycles | Identical |
| RoHS Compliance | Compliant | Compliant | Identical |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | MSL 1 (Unlimited) | Identical |
| Product Status | Obsolete | Active | Different |
Engineering Selection Recommendations
The GLAC01B serves as a direct functional equivalent to the obsolete GLAD01B. Both components are manufactured by Honeywell Sensing and Productivity Solutions within the GLS series and maintain identical electrical, mechanical, and operational specifications across all critical parameters.
The primary distinction between these parts is product status: GLAD01B is classified as obsolete, while GLAC01B maintains active product status. This status difference reflects current manufacturing availability and supply chain support. Both parts carry RoHS compliance certification and MSL 1 rating, confirming equivalent environmental and regulatory standing.
For applications currently utilizing GLAD01B, GLAC01B provides full functional compatibility without design modification. The active product status of GLAC01B ensures ongoing availability for new production runs and replacement requirements.
Frequently Asked Questions (FAQ)
Q: Can GLAC01B be used as a direct replacement for GLAD01B in existing designs?
A: Yes. GLAC01B is electrically and mechanically equivalent to GLAD01B. All circuit parameters, voltage and current ratings, actuator specifications, mounting configuration, and operational characteristics are identical. No design changes are required.
Q: What is the primary reason for substituting GLAD01B with GLAC01B?
A: GLAD01B carries an obsolete product status, indicating discontinued manufacturing and limited supply availability. GLAC01B maintains active product status, ensuring reliable supply chain access and ongoing manufacturer support.
Q: Are there packaging differences between GLAD01B and GLAC01B?
A: Yes. GLAD01B is supplied in standard packaging, while GLAC01B is supplied in bulk packaging. This difference does not affect component functionality or electrical performance. Packaging selection should be based on procurement volume and inventory management requirements.
Q: Do both parts meet the same compliance standards?
A: Yes. Both GLAD01B and GLAC01B are RoHS compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. They meet identical regulatory and environmental standards.
Q: Are the mechanical life ratings equivalent?
A: Yes. Both parts are rated for 15,000,000 mechanical cycles, indicating identical durability and operational longevity under specified conditions.
Q: What are the key electrical parameters that must match for substitution?
A: Critical electrical parameters include SPDT circuit configuration, 6A AC current rating at 120V, 550mA DC current rating at 125V, and on-momentary switch function. GLAC01B matches all these specifications.
Q: Can GLAC01B handle the same operating temperature range as GLAD01B?
A: Yes. Both parts operate across the identical temperature range of -25°C to 85°C, ensuring equivalent thermal performance in all specified environments.
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