Phoenix Contact 3249224 Terminal Block - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 3249224 is a 4-position feed-through terminal block connector designed for wire gauges 12-28 AWG with push-in spring termination. This component is classified as Last Time Buy, indicating discontinued production status. The CLIPLINE MSDBV series offers electrical ratings of 24 A (IEC) / 20 A (UL) at 800 V (IEC) / 600 V (UL), with polyamide insulation rated UL94 V-0. Locating equivalent substitute parts is necessary due to the product's end-of-life status to ensure continued availability for maintenance, repair, and new designs.

Substiute Parts

3249224

Phoenix ContactIn Stock: 11523249224 Datasheet

Current PartRFQ

1429439

Phoenix ContactIn Stock: 8621429439 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 3249224 is determined by the following critical parameters:

Electrical Compatibility:

• Current rating minimum: 20 A (UL) / 24 A (IEC)
• Voltage rating minimum: 600 V (UL) / 800 V (IEC)
• Termination method: Push-in spring mechanism

Mechanical Compatibility:

• Position count: 4 positions
• Level count: 1 level
• Wire gauge accommodation: minimum 12-28 AWG (0.08-4 mm²)
• Terminal width tolerance: 10.3-10.4 mm range

Material & Compliance:

• Insulation material: Polyamide (PA) / Nylon
• Flammability rating: UL94 V-0 minimum
• RoHS compliance required

The substitute part Phoenix Contact 1429439 meets all critical substitution criteria within these allowed parameters.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 1429439 serves as a functional equivalent for the 3249224 based on the following engineering criteria:

Electrical Equivalence: Both components maintain identical current and voltage ratings under IEC standards (24 A / 800 V). The substitute's UL voltage rating of 800 V exceeds the original 600 V specification, providing additional safety margin.

Mechanical Compatibility: Both terminal blocks accommodate 4 positions in a single level with push-in spring termination. Terminal width variance (10.4 mm vs. 10.3 mm) falls within acceptable mechanical tolerance for connector interfaces.

Wire Gauge Consideration: The substitute accommodates 12-26 AWG, which covers the primary operating range of the original 12-28 AWG specification. Applications requiring 27-28 AWG termination should be evaluated against actual circuit requirements.

Compliance & Reliability: Both components utilize polyamide insulation with UL94 V-0 flammability rating, ensuring equivalent safety performance. The substitute's active product status ensures continued availability and supply chain stability compared to the original's Last Time Buy designation.

Mounting Difference: The substitute is specified as DIN Rail mountable, whereas the original is feed-through type. Physical installation requirements must be assessed for specific applications.

Frequently Asked Questions (FAQ)

Q: Can the 1429439 directly replace the 3249224 in existing designs?

A: Electrical and material specifications are equivalent. However, the 1429439 is a middle-type connector with DIN Rail mounting, while the 3249224 is feed-through type. Installation method compatibility must be confirmed for your specific application.

Q: What is the significance of the wire gauge range difference (12-28 AWG vs. 12-26 AWG)?

A: The substitute covers 12-26 AWG, which encompasses standard industrial wire gauges. If your application specifically requires 27-28 AWG termination capability, the original specification should be retained or alternative components evaluated.

Q: Are both components RoHS compliant?

A: The 3249224 is confirmed RoHS compliant. RoHS compliance status for the 1429439 is not specified in the provided data and should be confirmed with the manufacturer if regulatory compliance is required.

Q: What is the difference between feed-through and middle-type terminal blocks?

A: Feed-through blocks (3249224) allow wire passage through the connector body. Middle-type blocks (1429439) are designed for intermediate connection points in a series configuration. Application topology determines which type is appropriate.

Q: Are the stripping length specifications compatible?

A: The 3249224 requires 8 mm stripping length. The 1429439 accepts 8-10 mm, which includes the original specification and provides operational flexibility.

Q: What is the inventory status for each component?

A: The 3249224 has 1096 pieces in stock (Last Time Buy status). The 1429439 has 806 pieces in stock with Active product status, indicating ongoing production and supply availability.