BK/ABC-10 Equivalent & Substitute Parts

Part Overview

The BK/ABC-10 is a 10 A ceramic cartridge fuse rated for 250 V AC and 125 V DC operation, designed for 3AB and 3AG holder compatibility with 1/4" x 1-1/4" dimensions. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing system support and procurement continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives within the same application envelope.

Key Parameters

Parameter	Value
Current Rating	10 A
Voltage Rating - AC	250 V
Voltage Rating - DC	125 V
Fuse Type	Cartridge, Ceramic
Response Time	Fast Blow
Package / Case	3AB, 3AG, 1/4" x 1-1/4"
Size / Dimension	0.250" Dia x 1.250" L (6.35mm x 31.75mm)
Mounting Type	Requires Holder
Breaking Capacity @ Rated Voltage	200A AC, 10kA DC
Approval Agency	CSA, UL

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters: current rating (10 A), AC voltage rating (250 V), DC voltage rating (125 V), fuse type (ceramic cartridge), response time (fast blow), package designation (3AB/3AG), and physical dimensions (0.250" Dia x 1.250" L). Parts are grouped into three categories:

Direct Manufacturer Equivalents (Eaton - Electronics Division): ABC-10-R, BK/ABC-10-R, and BK1/ABC-10DX-R maintain identical electrical specifications and holder compatibility. These parts differ primarily in product status (active versus obsolete) and RoHS compliance levels.

Parametric Equivalents (Eaton - Electronics Division): BK/ABC-B-10, BK/GBB-10-R, and GBB-10-R satisfy all critical electrical and mechanical parameters. Variations in breaking capacity and DC cold resistance are within acceptable tolerance ranges for functional equivalence.

Parametric Equivalents (Littelfuse Inc.): 0314010.HXP, 0314010.MXANP, and 0314010.MXP provide ceramic cartridge fuse functionality with identical current, voltage, and dimensional specifications. These parts are cross-manufacturer alternatives with expanded approval certifications and operating temperature ranges.

Similar Parts (Alternative Fuse Type): 0001.1034 (SCHURTER Inc.) is a glass cartridge fuse with matching current and AC voltage ratings but differs in fuse material composition and breaking capacity. This part is classified as similar rather than equivalent due to fuse type variation.

Parameter Comparison

Part Number	Manufacturer	Product Status	Current Rating (A)	Voltage AC (V)	Voltage DC (V)	Fuse Type	Response Time	Breaking Capacity AC	Breaking Capacity DC	DC Cold Resistance (Ohms)	RoHS Status	Approval Agency
BK/ABC-10	Eaton	Obsolete	10	250	125	Ceramic	Fast Blow	200A	10kA	0.01205	Non-compliant	CSA, UL
ABC-10-R	Eaton	Active	10	250	125	Ceramic	Fast Blow	200A	10kA	0.011	ROHS3 Compliant	CSA, UL
BK/ABC-10-R	Eaton	Active	10	250	125	Ceramic	Fast Blow	200A	10kA	0.011	ROHS3 Compliant	CSA, UL
BK/ABC-B-10	Eaton	Active	10	250	125	Ceramic	Fast Blow	200A	10kA	0.01205	Non-compliant	CSA, UL
BK/GBB-10-R	Eaton	Active	10	250	125	Ceramic	Fast Blow	Not specified	10kA	0.00934	ROHS3 Compliant	CSA, UR
BK1/ABC-10DX-R	Eaton	Active	10	250	125	Ceramic	Fast Blow	200A	10kA	0.011	ROHS3 Compliant	CSA, UL
GBB-10-R	Eaton	Active	10	250	125	Ceramic	Fast Blow	200A	10kA	0.00934	ROHS3 Compliant	CSA, UR
0314010.HXP	Littelfuse	Active	10	250	125	Ceramic	Fast Blow	750A	10kA	0.0105	ROHS3 Compliant	CE, CSA, K-MARK, PSE, UL
0314010.MXANP	Littelfuse	Active	10	250	125	Ceramic	Fast Blow	750A	10kA	0.0105	ROHS3 Compliant	CE, CSA, K-MARK, PSE, UL
0314010.MXP	Littelfuse	Active	10	250	125	Ceramic	Fast Blow	750A	10kA	0.0105	ROHS3 Compliant	CE, CSA, K-MARK, PSE, UL
0001.1034	SCHURTER	Obsolete	10	250	Not specified	Glass	Fast Blow	1.5kA	Not specified	Not specified	ROHS3 Compliant	Not specified

Engineering Selection Recommendations

Primary Recommendation - Direct Equivalents: ABC-10-R, BK/ABC-10-R, and BK1/ABC-10DX-R are direct functional replacements for BK/ABC-10. All three parts are active products with identical electrical specifications, holder compatibility, and approval certifications (CSA, UL). BK/ABC-10-R and BK1/ABC-10DX-R offer ROHS3 compliance, addressing environmental regulatory requirements. Selection between these three parts depends on packaging requirements (bulk versus standard) and inventory availability.

Secondary Recommendation - Eaton Parametric Equivalents: BK/ABC-B-10, BK/GBB-10-R, and GBB-10-R satisfy all critical electrical and mechanical parameters. BK/ABC-B-10 maintains identical DC cold resistance to the original part. BK/GBB-10-R and GBB-10-R feature lower DC cold resistance (0.00934 Ohms) and ROHS3 compliance but carry UR certification instead of UL. These parts are suitable for applications where UR certification is acceptable.

Cross-Manufacturer Alternatives - Littelfuse: 0314010.HXP, 0314010.MXANP, and 0314010.MXP provide ceramic cartridge fuse functionality with expanded approval certifications (CE, CSA, K-MARK, PSE, UL) and extended operating temperature range (-55°C to 125°C). These parts feature higher AC breaking capacity (750A) and are ROHS3 compliant. Selection is appropriate for applications requiring broader international certifications or extended temperature performance.

Alternative Fuse Type - SCHURTER: 0001.1034 is a glass cartridge fuse with matching 10 A current rating and 250 V AC voltage rating. This part differs fundamentally in fuse material composition and exhibits significantly lower breaking capacity (1.5kA AC). Selection of this part is limited to applications where glass fuse construction is specifically required and lower breaking capacity is acceptable.

Frequently Asked Questions (FAQ)

Q: Can ABC-10-R directly replace BK/ABC-10 in existing circuits?

A: Yes. ABC-10-R is a direct functional equivalent with identical current rating (10 A), voltage ratings (250 V AC, 125 V DC), fuse type (ceramic cartridge), response time (fast blow), and holder compatibility (3AB, 3AG). Both parts maintain 200A AC and 10kA DC breaking capacity and carry CSA and UL approvals. The primary difference is product status: ABC-10-R is active while BK/ABC-10 is obsolete.

Q: What is the difference between BK/ABC-10-R and BK1/ABC-10DX-R?

A: Both parts are direct equivalents with identical electrical specifications and ROHS3 compliance. The designation difference (BK versus BK1) reflects internal Eaton product line variations. Both parts are active products with 937 and 655 units in stock respectively. Selection between them depends on packaging availability and inventory requirements.

Q: Are Littelfuse 0314010 series parts compatible with 3AB/3AG holders?

A: Yes. The 0314010.HXP, 0314010.MXANP, and 0314010.MXP parts are ceramic cartridge fuses with identical physical dimensions (0.250" Dia x 1.250" L) and package designation (3AB, 3AG, 1/4" x 1-1/4"). These parts are mechanically and electrically compatible with existing 3AB/3AG holder installations.

Q: Why do Littelfuse parts have higher AC breaking capacity (750A) compared to Eaton parts (200A)?

A: Breaking capacity is a design characteristic that reflects the maximum fault current the fuse can safely interrupt. Littelfuse 0314010 series parts are rated for 750A AC breaking capacity, while Eaton ABC and GBB series parts are rated for 200A AC. Both ratings exceed typical circuit protection requirements. Selection depends on specific circuit fault current levels and system design specifications.

Q: Is SCHURTER 0001.1034 a suitable replacement for BK/ABC-10?

A: 0001.1034 is a glass cartridge fuse with matching 10 A current rating and 250 V AC voltage rating. However, it differs in fuse material composition and exhibits significantly lower breaking capacity (1.5kA AC versus 200A AC for ceramic parts). This part is classified as similar rather than equivalent and is suitable only for applications where glass fuse construction is specifically required and lower breaking capacity is acceptable.

Q: What is the significance of RoHS compliance in fuse selection?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances regulations, restricting lead, cadmium, mercury, and other hazardous materials. ABC-10-R, BK/ABC-10-R, BK1/ABC-10DX-R, BK/GBB-10-R, GBB-10-R, and all Littelfuse 0314010 series parts are ROHS3 compliant. BK/ABC-10 and BK/ABC-B-10 are non-compliant. Selection of compliant parts is required for applications subject to environmental regulations or customer specifications.

Q: Can BK/GBB-10-R be used in place of ABC-10-R?

A: Yes. BK/GBB-10-R is a parametric equivalent with identical current rating (10 A), voltage ratings (250 V AC, 125 V DC), fuse type (ceramic cartridge), response time (fast blow), and holder compatibility. Both parts are ROHS3 compliant and active products. The primary difference is approval certification: BK/GBB-10-R carries CSA and UR certifications, while ABC-10-R carries CSA and UL certifications. Selection depends on whether UR certification is acceptable in the application.

Q: What inventory considerations should guide part selection?

A: BK/ABC-10-R has the highest inventory level (3104 units), followed by 0314010.MXP (5887 units). ABC-10-R has 937 units, BK1/ABC-10DX-R has 655 units, and BK/ABC-B-10 has 836 units. For applications requiring immediate availability, BK/ABC-10-R and 0314010.MXP are preferred selections. For long-term procurement planning, all listed active parts provide adequate stock levels.

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