SPXV030.T Equivalent & Substitute Parts

Part Overview

The SPXV030.T is a 30A 1.5 kVDC fuse cartridge from Littelfuse Inc.'s POWR-GARD® SPXV series, designed for solar photovoltaic applications. This part is currently obsolete, making identification of suitable substitute components essential for system maintenance and replacement requirements. The cartridge requires a compatible holder for installation and operates within the specified DC voltage and current parameters for renewable energy systems.

Substiute Parts

SPXV030.T

Littelfuse Inc.In Stock: 811SPXV030.T Datasheet

Current PartRFQ

SPXV030.TXM

Littelfuse Inc.In Stock: 1066SPXV030.TXM Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete SPXV030.T is determined by strict equivalence across the following critical parameters:

• Current Rating: 30A (exact match required)
• Voltage Rating (DC): 1.5 kVDC (exact match required)
• Fuse Type: Cartridge (exact match required)
• Mounting Type: Requires Holder (exact match required)
• Package / Case: Cartridge, Non-Standard (exact match required)

The SPXV030.TXM meets all substitution criteria as an active product within the same POWR-GARD® SPXV series, maintaining identical electrical ratings and mechanical form factor compatibility with existing holder installations.

Parameter Comparison

Engineering Selection Recommendations

The SPXV030.TXM is the direct substitute for the obsolete SPXV030.T. Both components maintain identical electrical specifications (30A, 1.5 kVDC) and cartridge form factor, ensuring compatibility with existing holder installations in solar photovoltaic systems.

The SPXV030.TXM offers enhanced certifications (CE, gPV, UL) compared to the original part (CE, UR), providing broader regulatory acceptance for solar applications. The increased breaking capacity (50kA versus 15kA) and marginally improved DC cold resistance (0.00526 Ohms versus 0.0052 Ohms) represent performance enhancements without compromising compatibility.

The active product status of SPXV030.TXM ensures ongoing availability and supply chain reliability for replacement and new installations.

Frequently Asked Questions (FAQ)

Q: Can SPXV030.TXM be used as a direct replacement for SPXV030.T?

A: Yes. Both parts share identical current rating (30A), voltage rating (1.5 kVDC), fuse type (Cartridge), and mounting requirements (Requires Holder). The cartridge form factor is compatible with existing holder installations.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variation exists. The SPXV030.T measures 0.540" Dia x 3.333" L, while the SPXV030.TXM measures 0.406" L x 3.333" W. Both maintain the same cartridge, non-standard package classification and are compatible with standard POWR-GARD® SPXV series holders.

Q: What is the significance of the higher breaking capacity in SPXV030.TXM?

A: The SPXV030.TXM provides 50kA breaking capacity compared to 15kA in the original part. This represents an enhanced safety margin under fault conditions while maintaining identical electrical performance under normal operating conditions.

Q: Which certifications apply to each part?

A: SPXV030.T carries CE and UR approvals. SPXV030.TXM carries CE, gPV, and UL approvals. The gPV certification specifically addresses photovoltaic system requirements, and UL certification provides North American regulatory compliance.

Q: Is the SPXV030.TXM RoHS compliant?

A: Yes. SPXV030.TXM is RoHS Compliant. The original SPXV030.T is ROHS3 Compliant. Both meet applicable RoHS requirements for their respective product statuses.