Weidmüller 992310 Circuit Breaker - Equivalent & Substitute Parts

Part Overview

The Weidmüller 992310 is a thermal magnetic circuit breaker rated for 10A at 480V AC / 65V DC with lever actuation and three-pole configuration, designed for DIN rail mounting. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for continued system support and component procurement.

Substiute Parts

992310

WeidmüllerIn Stock: 977992310 Datasheet

Current PartRFQ

4420.0241

SCHURTER Inc.In Stock: 11664420.0241 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Weidmüller 992310 is determined by strict equivalence across the following critical parameters:

• Current Rating: 10A (exact match required)
• Voltage Rating - AC: 480V (exact match required)
• Voltage Rating - DC: 65V (exact match required)
• Breaker Type: Thermal Magnetic (exact match required)
• Number of Poles: 3 (exact match required)
• Actuator Type: Lever (exact match required)
• Mounting Type: DIN Rail (exact match required)

The SCHURTER Inc. part 4420.0241 meets all specified electrical and mechanical parameters, establishing it as a parametric equivalent within the thermal magnetic circuit breaker category.

Parameter Comparison

Engineering Selection Recommendations

The SCHURTER 4420.0241 serves as the direct parametric equivalent for the obsolete Weidmüller 992310. Both components share identical electrical ratings (10A, 480V AC, 65V DC) and mechanical specifications (3-pole, lever-actuated, DIN rail mount). The SCHURTER part carries expanded regulatory approvals including CSA C22.2 No 14, EN 60934, GB 17701, IEC 60934, and UL508 in addition to the shared certifications (CSA C22.2 No 235, UL1077). Both components maintain REACH Unaffected status and EAR99 classification. The SCHURTER component is currently in stock (1065 pcs), providing immediate availability for replacement applications.

Frequently Asked Questions (FAQ)

Q: What makes SCHURTER 4420.0241 a suitable substitute for Weidmüller 992310?

A: Both components are thermal magnetic circuit breakers with identical current ratings (10A), voltage ratings (480V AC / 65V DC), pole configuration (3-pole), actuation method (lever), and mounting standard (DIN rail). These parameters define functional equivalence for this product category.

Q: Are there differences in regulatory approvals between the two parts?

A: Both parts comply with CSA C22.2 No 235 and UL1077. The SCHURTER part includes additional certifications: CSA C22.2 No 14, EN 60934, GB 17701, IEC 60934, and UL508. These additional approvals do not create incompatibility; they represent expanded compliance scope.

Q: What is the packaging difference between these parts?

A: The Weidmüller 992310 is packaged as standard DIN rail mount configuration. The SCHURTER 4420.0241 is supplied in bulk packaging. Both are suitable for identical mounting applications.

Q: Why is the Weidmüller 992310 classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The SCHURTER 4420.0241 remains available in current inventory, making it the appropriate selection for new procurement and system maintenance.

Q: Are both components RoHS compliant?

A: Yes. The Weidmüller 992310 is RoHS Compliant, and the SCHURTER 4420.0241 is ROHS3 Compliant. Both meet environmental compliance requirements.