0RLS060.T Equivalent & Substitute Parts

Part Overview

The 0RLS060.T is a 60A 600VAC fast-blow cartridge fuse from Littelfuse Inc.'s POWR-GARD® RLS series. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new designs. The cartridge fuse requires a compatible holder for installation and is rated for industrial and electrical applications with a 10kA breaking capacity at rated voltage.

Substiute Parts

0RLS060.T

Littelfuse Inc.In Stock: 10230RLS060.T Datasheet

Current PartRFQ

KLSR060.T

Littelfuse Inc.In Stock: 819KLSR060.T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The KLSR060.T qualifies as a direct substitute for the 0RLS060.T based on the following critical parameters:

• Current Rating: Both parts are rated at 60A
• AC Voltage Rating: Both parts are rated at 600 VAC
• Response Time: Both parts are fast-blow fuses
• Physical Dimensions: Identical cartridge dimensions (1.063" Dia x 5.500" L)
• Mounting Configuration: Both require a compatible holder
• Approval Certifications: Both carry CE, CSA, and UL approvals

The KLSR060.T represents an enhanced alternative, offering additional DC voltage capability (300 VDC) and improved breaking capacity (200kA AC, 20kA DC versus 10kA), while maintaining full compatibility with the original AC specifications.

Parameter Comparison

Engineering Selection Recommendations

The KLSR060.T is the direct substitute for the obsolete 0RLS060.T. Selection is based on the following engineering criteria:

• Product Availability: The 0RLS060.T is obsolete; the KLSR060.T is active and maintains current inventory
• Regulatory Compliance: The KLSR060.T meets ROHS3 compliance requirements, whereas the 0RLS060.T does not
• Certification Continuity: Both parts carry identical approval certifications (CE, CSA, UL), ensuring regulatory acceptance in existing applications
• Electrical Compatibility: The KLSR060.T maintains the 60A/600VAC specification required for AC applications while adding DC capability and enhanced breaking capacity

For AC-only applications operating at 60A and 600VAC, the KLSR060.T provides a fully compatible replacement with improved performance characteristics and modern compliance status.

Frequently Asked Questions (FAQ)

Q: Can the KLSR060.T be used as a direct replacement for the 0RLS060.T in existing installations?

A: Yes. Both fuses share identical current ratings (60A), AC voltage ratings (600VAC), response characteristics (fast-blow), physical dimensions (1.063" Dia x 5.500" L), and approval certifications (CE, CSA, UL). The KLSR060.T is mechanically and electrically compatible with holders designed for the 0RLS060.T.

Q: What is the difference between fuse classes H and RK1?

A: Fuse class designation indicates the breaking capacity and application category. The 0RLS060.T (Class H) has a 10kA breaking capacity, while the KLSR060.T (Class RK1) has a 200kA AC breaking capacity. Both classes are suitable for industrial and electrical applications; the RK1 class provides enhanced protection in higher fault-current environments.

Q: Does the KLSR060.T's DC voltage rating affect AC-only applications?

A: No. The KLSR060.T's 300VDC rating is an additional capability that does not impact AC performance. For AC applications at 600VAC, the fuse operates identically to the 0RLS060.T.

Q: Are there any packaging differences between these fuses?

A: The 0RLS060.T is packaged individually, while the KLSR060.T is supplied in a box. Both use identical cartridge form factors and require the same holder type. Packaging does not affect electrical or mechanical compatibility.

Q: Why should I choose the KLSR060.T over the 0RLS060.T?

A: The 0RLS060.T is obsolete and no longer manufactured. The KLSR060.T is the active equivalent, offering improved breaking capacity, ROHS3 compliance, and continued availability while maintaining full compatibility with the original specifications.