GLLA03A3B Equivalent & Substitute Parts Reference

Part Overview

The GLLA03A3B is a snap action switch manufactured by Honeywell Sensing and Productivity Solutions, classified as a SPDT (Single Pole Double Throw) switch with BBM (Biased Break-Make) circuit configuration. This component is rated for 10A at 300V AC and 250V DC, featuring a side rotary roller actuator with chassis mount termination. The part is currently listed as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs.

Substiute Parts

GLLA03A3B

Honeywell Sensing and Productivity SolutionsIn Stock: 738GLLA03A3B Datasheet

Current PartRFQ

GLLC03A1B

Honeywell Sensing and Productivity SolutionsIn Stock: 1192GLLC03A1B Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the GLLA03A3B is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Circuit configuration: SPDT (BBM)
• Switch function: On-Mom
• Current rating: 10A (AC/DC)
• Voltage rating: 300V AC / 250V DC

Mechanical Equivalence Criteria:

• Actuator type: Side Rotary, Roller
• Mounting type: Chassis Mount
• Termination style: Screw Terminal
• Operating force: 5.092gfm
• Release force: 2.039gfm
• Mechanical life: 5,000,000 Cycles

Environmental & Compliance Criteria:

• Ingress protection: IP66
• Operating temperature: -10°C to 80°C
• RoHS compliance
• MSL rating: 1 (Unlimited)

Parts meeting all criteria within these categories are classified as direct substitutes. The GLLA03A3B belongs to the Honeywell GLL series snap action switch family.

Parameter Comparison

Engineering Selection Recommendations

The GLLC03A1B is a direct functional equivalent to the GLLA03A3B. Both components share identical electrical ratings, mechanical specifications, and environmental performance characteristics. The primary distinction is product status: GLLA03A3B is obsolete while GLLC03A1B maintains active status with Honeywell Sensing and Productivity Solutions.

For applications currently utilizing GLLA03A3B, the GLLC03A1B provides continuity of supply without modification to circuit design or mechanical integration. Both parts comply with RoHS requirements and carry MSL 1 rating, indicating no moisture sensitivity constraints during storage or handling.

The GLLC03A1B is available in higher inventory quantity (1092 pieces) compared to remaining GLLA03A3B stock (696 pieces), supporting long-term supply chain planning.

Frequently Asked Questions (FAQ)

Q: Can GLLC03A1B directly replace GLLA03A3B in existing applications?

A: Yes. The GLLC03A1B meets all electrical, mechanical, and environmental specifications of the GLLA03A3B. No circuit modifications or mechanical redesign is required. Both components feature identical SPDT (BBM) circuit configuration, 10A/300V AC rating, side rotary roller actuator, and chassis mount termination.

Q: What is the difference between GLLA03A3B and GLLC03A1B?

A: The components are electrically and mechanically identical. The difference is product lifecycle status: GLLA03A3B is obsolete, while GLLC03A1B is active. The GLLC03A1B is the current production equivalent within the Honeywell GLL series.

Q: Are there any compatibility concerns with screw terminal connections?

A: No. Both parts use identical screw terminal termination style. Existing wiring and connection methods are fully compatible.

Q: Do both parts meet the same environmental specifications?

A: Yes. Both GLLA03A3B and GLLC03A1B are rated IP66 (dust tight, water resistant), operate across -10°C to 80°C, and carry RoHS compliance with MSL 1 rating.

Q: What is the mechanical life expectancy?

A: Both components are rated for 5,000,000 mechanical cycles, providing equivalent operational durability.

Q: Is the GLLC03A1B available for immediate shipment?

A: Inventory status indicates 1092 pieces of GLLC03A1B are in stock as new original components, supporting immediate procurement requirements.