Equivalent & Substitute Parts for 0RLS008.T

Part Overview

The 0RLS008.T is an 8A 600 VAC fast-blow cartridge fuse from Littelfuse Inc.'s POWR-GARD® RLS series. This component is classified as obsolete, requiring identification of active equivalent parts for continued system support and procurement. The cartridge fuse requires a compatible holder for installation and is designed for electrical and industrial applications where fast-response overcurrent protection is required.

Substiute Parts

0RLS008.T

Littelfuse Inc.In Stock: 7760RLS008.T Datasheet

Current PartRFQ

KLSR008.T

Littelfuse Inc.In Stock: 933KLSR008.T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The KLSR008.T qualifies as a direct substitute based on the following alignment of critical parameters:

• Current Rating: Both parts rated at 8A
• AC Voltage Rating: Both rated at 600 VAC
• Response Time: Both are fast-blow fuses
• Fuse Type: Both are cartridge fuses
• Mounting Type: Both require a holder
• Physical Dimensions: Identical at 0.811" Dia x 5.000" L (20.60mm x 127.00mm)
• Approval Agencies: Both carry CE, CSA, and UL certifications
• Package / Case: Both use cartridge, non-standard packaging

The KLSR008.T is an active product from the same manufacturer, providing continuity for applications previously using the obsolete 0RLS008.T.

Parameter Comparison

Engineering Selection Recommendations

The KLSR008.T is the designated manufacturer substitute for the obsolete 0RLS008.T. Both parts share identical electrical ratings for AC voltage (600 VAC) and current (8A), matching physical dimensions, and equivalent fast-blow response characteristics. The KLSR008.T maintains all required certifications (CE, CSA, UL) and is currently in active production status.

The KLSR008.T offers enhanced DC voltage capability (250 VDC) and superior breaking capacity compared to the original part, making it suitable for applications requiring either AC-only or combined AC/DC operation. The KLSR008.T also meets ROHS3 compliance requirements, whereas the 0RLS008.T does not.

For AC-only applications at 600 VAC and 8A, the KLSR008.T provides direct functional equivalence with improved performance margins and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can the KLSR008.T be used as a direct replacement for the 0RLS008.T in existing systems?

A: Yes. Both parts have identical current ratings (8A), AC voltage ratings (600 VAC), response times (fast-blow), physical dimensions (0.811" Dia x 5.000" L), and mounting requirements (requires holder). The KLSR008.T is the manufacturer-recommended substitute.

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

A: Class H and Class RK1 are distinct fuse classifications. The provided data specifies these classifications for each part; selection should be based on the specific circuit protection requirements of the application.

Q: Does the KLSR008.T's DC voltage rating affect AC-only applications?

A: No. The KLSR008.T's 250 VDC rating is an additional capability. For AC-only circuits operating at 600 VAC and 8A, the AC voltage rating is the controlling parameter, and both parts are equivalent.

Q: Are the physical dimensions identical between both parts?

A: Yes. Both the 0RLS008.T and KLSR008.T measure 0.811" Dia x 5.000" L (20.60mm x 127.00mm) and use identical cartridge, non-standard packaging. Both require the same holder type.

Q: What certifications apply to the KLSR008.T?

A: The KLSR008.T carries CE, CSA, and UL approvals, matching the certifications of the original 0RLS008.T.