SPP-6B450 Equivalent & Substitute Parts

Part Overview

The SPP-6B450 is a fuse link manufactured by Eaton - Bussmann Electrical Division, rated for 450A at 700V. This component is classified as obsolete and requires a holder for installation. Due to its obsolete status, identifying equivalent substitute parts is essential for system maintenance, repair, and component replacement in existing installations.

Substiute Parts

SPP-6B450

Eaton - Bussmann Electrical DivisionIn Stock: 844SPP-6B450 Datasheet

Current PartRFQ

170M5609

Eaton - Bussmann Electrical DivisionIn Stock: 731170M5609 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPP-6B450 is determined by the following critical electrical and mechanical parameters:

• Current Rating: 450A (must match exactly)
• Voltage Rating: 700V AC (must match exactly)
• Manufacturer: Eaton - Bussmann Electrical Division (same manufacturer ensures design compatibility)
• Compliance Standards: REACH Unaffected, ECCN EAR99 (regulatory alignment)

The substitute part 170M5609 shares the same current and voltage ratings with the SPP-6B450. However, it differs in mounting configuration: the SPP-6B450 uses a blade-type fuse link requiring a holder, while the 170M5609 is a square bolt-mount fuse. Both are active products from the same manufacturer and maintain equivalent electrical performance at the specified ratings.

Parameter Comparison

Engineering Selection Recommendations

The 170M5609 is an active product substitute for the obsolete SPP-6B450, matching the critical electrical parameters of 450A and 700V AC. Both components are manufactured by Eaton - Bussmann Electrical Division, ensuring design and performance alignment.

The primary consideration for selection is the mounting configuration difference: the SPP-6B450 is a blade-type fuse link requiring a separate holder, while the 170M5609 is a square bolt-mount fuse. System integration must account for this mechanical difference. The 170M5609 provides additional documented specifications including breaking capacity (200kA) and melting I²t (15500), along with active certifications (CE, CSA, UR) and RoHS compliance, making it suitable for new installations and system upgrades where mounting infrastructure can accommodate bolt-mount configuration.

Frequently Asked Questions (FAQ)

Q: Can the 170M5609 directly replace the SPP-6B450 in existing installations?

A: Electrical compatibility is confirmed through matching current (450A) and voltage (700V AC) ratings. However, mechanical compatibility depends on the mounting infrastructure. The SPP-6B450 requires a blade-type holder, while the 170M5609 uses bolt-mount configuration. System modification may be necessary.

Q: What are the key parameters that determine substitution eligibility?

A: Current rating (450A), voltage rating (700V AC), and manufacturer (Eaton - Bussmann Electrical Division) are the primary determinants. Both parts meet these criteria. Mounting type and fuse configuration are secondary considerations that affect installation method rather than electrical performance.

Q: Why is the SPP-6B450 listed as obsolete?

A: The SPP-6B450 has reached end-of-life status. The 170M5609 represents an active alternative from the same manufacturer with equivalent electrical specifications.

Q: Are there compliance differences between these parts?

A: The 170M5609 carries active certifications (CE, CSA, UR) and RoHS compliance status. The SPP-6B450 is REACH Unaffected. Both share the same ECCN (EAR99) and HTSUS classification, indicating regulatory alignment for export and trade purposes.

Q: What is the breaking capacity significance?

A: The 170M5609 specifies a breaking capacity of 200kA at rated voltage. This parameter indicates the maximum fault current the fuse can safely interrupt. The SPP-6B450 breaking capacity is not provided in available documentation.