ASLD339904DN-A-240V Equivalent & Substitute Parts

Part Overview

The ASLD339904DN-A-240V is an IDEC selector switch designed for 240V applications with position-based switching functionality. This part is classified as obsolete, making identification of equivalent alternatives essential for system maintenance and component procurement. The selector switch serves as a critical control interface in industrial automation and electrical distribution systems where manual position selection is required.

Substiute Parts

ASLD339904DN-A-240V

IDECIn Stock: 982ASLD339904DN-A-240V Datasheet

Current PartRFQ

ASLD33QM404DNUA

IDECIn Stock: 1034ASLD33QM404DNUA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ASLD339904DN-A-240V is determined by the following critical parameters:

• Voltage Rating: 240V operation capability
• Switch Type: Selector switch with position-based functionality
• RoHS Compliance: ROHS3 Compliant status
• Moisture Sensitivity: MSL 1 (Unlimited) rating
• Regulatory Classification: EAR99 export control designation

The substitute part ASLD33QM404DNUA maintains electrical and mechanical compatibility through alignment on these core parameters while offering active product status and current manufacturing availability.

Parameter Comparison

Engineering Selection Recommendations

The ASLD33QM404DNUA serves as the direct equivalent for the obsolete ASLD339904DN-A-240V. Both components share identical voltage specifications, RoHS3 compliance certification, and regulatory classification under EAR99. The substitute part maintains the same moisture sensitivity rating and tariff classification, ensuring functional and regulatory equivalence.

The ASLD33QM404DNUA is currently in active production status with 973 units available in inventory, providing supply chain continuity for applications previously utilizing the ASLD339904DN-A-240V. The bulk packaging option of the substitute part accommodates both single-unit replacement and larger procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can ASLD33QM404DNUA directly replace ASLD339904DN-A-240V in existing installations?

A: Yes. Both components are 240V selector switches manufactured by IDEC with identical RoHS3 compliance, MSL 1 rating, and EAR99 classification. The electrical and mechanical parameters align for direct substitution.

Q: What is the significance of the 3POS designation in ASLD33QM404DNUA?

A: The 3POS designation indicates a three-position selector switch configuration. This specification is consistent with the position-based switching functionality of the original ASLD339904DN-A-240V.

Q: Does packaging format affect compatibility?

A: Packaging format does not affect electrical or mechanical compatibility. The ASLD33QM404DNUA is supplied in bulk packaging, while the original part used standard packaging. Both formats contain identical components suitable for the same applications.

Q: Are there compliance or regulatory differences between these parts?

A: No. Both parts maintain ROHS3 compliance, identical HTSUS tariff codes, and EAR99 export classification. Regulatory requirements are equivalent.

Q: Why is the original part classified as obsolete?

A: Obsolescence reflects manufacturing discontinuation by IDEC. The ASLD33QM404DNUA represents the current active equivalent, ensuring continued availability and support for this selector switch function.