SW3833D Equivalent & Substitute Parts

Part Overview

The SW3833D is a 3PDT rocker switch rated for 30A DC at 30V, designed for panel mount applications with flange mounting. This switch features an on-off-on configuration with a concave white actuator and screw terminal connections. The product is active and widely available, with 996 units in current inventory. Equivalent parts are identified when identical electrical and mechanical specifications are maintained across voltage and current ratings, allowing for direct substitution in compatible circuit designs.

Substiute Parts

SW3833D

NKK SwitchesIn Stock: 1084SW3833D Datasheet

Current PartRFQ

SW3833

NKK SwitchesIn Stock: 1906SW3833 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SW3833D is determined by maintaining identical mechanical and electrical interface specifications. The critical parameters for substitution are:

• Circuit configuration (3PDT)
• Switch function (On-Off-On)
• Current rating (30A)
• Mounting type (Panel Mount, Flange)
• Actuator type and color (Concave, White)
• Termination style (Screw Terminal)
• Operating temperature range (-10°C to 70°C)
• Mechanical and electrical life ratings

The SW3833 qualifies as a substitute because it maintains all mechanical interface parameters and switch function while extending voltage capability to 125V AC/DC. This expanded voltage rating does not compromise DC operation at 30V, making it suitable for applications requiring either DC-only or AC/DC flexibility.

Parameter Comparison

Engineering Selection Recommendations

The SW3833 serves as a direct substitute for the SW3833D in applications operating at 30V DC. Both parts maintain identical mechanical interfaces, circuit configurations, and life cycle ratings. Selection between these parts depends on application voltage requirements:

• Use SW3833D when the application operates exclusively at 30V DC and AC voltage capability is not required.
• Use SW3833 when the application requires flexibility for either 30V DC or 125V AC operation, or when standardizing on a single part number across multiple voltage domains.

Both parts carry CSA and UL approvals and maintain ROHS3 compliance, ensuring regulatory compatibility across industrial and commercial applications. Inventory availability should be considered as a secondary factor, with SW3833 currently showing higher stock levels (1833 units versus 996 units).

Frequently Asked Questions (FAQ)

Q: Can SW3833 replace SW3833D in a 30V DC circuit?

A: Yes. The SW3833 maintains identical DC voltage and current ratings at 30V, 30A, with matching mechanical and electrical specifications. The extended AC voltage rating does not affect DC performance.

Q: What is the primary difference between SW3833D and SW3833?

A: The SW3833D is rated for 30V DC only, while the SW3833 is rated for both 30V DC and 125V AC at 30A. Both maintain identical mechanical interfaces and switch function.

Q: Are the panel cutout dimensions identical?

A: Panel cutout dimensions are not specified in the provided data for either part. Verify mechanical drawings with the manufacturer to confirm identical mounting footprints before substitution.

Q: Do both parts have the same terminal configuration?

A: Yes. Both SW3833D and SW3833 use screw terminal connections, ensuring identical wiring compatibility.

Q: Which part should be selected for new designs?

A: Selection depends on application voltage requirements. For DC-only applications at 30V, either part is suitable. For applications requiring AC capability or future voltage flexibility, SW3833 is the appropriate choice.

Q: Are there any compliance differences between the two parts?

A: No. Both parts carry identical CSA and UL approvals and maintain ROHS3 compliance status.