Request Quote
(Ships tomorrow)
Equivalent & Substitute Parts for ABC-12-R Ceramic Cartridge Fuse
Part Overview
The ABC-12-R is a 12 A ceramic cartridge fuse manufactured by Eaton - Electronics Division, rated for 250 V AC and 125 V DC operation. This fast-blow fuse is designed for use with 3AB, 3AG holders and measures 0.250" diameter by 1.250" length (6.35 mm × 31.75 mm). The part maintains Active product status with 983 pieces currently in stock.
Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity. Substitutes are qualified based on identical electrical ratings, mechanical dimensions, response characteristics, and approval agency certifications.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Current Rating | 12 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 (6.35 mm x 31.75 mm) |
| Mounting Type | Requires Holder |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the ABC-12-R are qualified through strict parametric equivalence. All substitute candidates share the following critical parameters with the main part:
- Current Rating: 12 A
- Voltage Rating: 250 V AC / 125 V DC
- Fuse Type: Cartridge, Ceramic
- Response Time: Fast Blow
- Package / Case: 3AB, 3AG, 1/4" x 1-1/4"
- Physical Dimensions: 0.250" Dia x 1.250" L (6.35 mm x 31.75 mm)
- Mounting Type: Requires Holder
- RoHS Compliance: ROHS3 Compliant
Substitutes are organized into two categories:
Direct Manufacturer Equivalents (Eaton - Electronics Division): Parts BK/ABC-12-R and GBB series variants maintain identical electrical and mechanical specifications within the Eaton product family.
Parametric Equivalents (Littelfuse Inc.): Parts 0314012.HXP, 0314012.MXP, 0314012.MXANP, and 0314012.VXP meet all critical electrical and mechanical parameters, with variations in approval agency certifications and operating temperature ranges.
Parameter Comparison
| Part Number | Manufacturer | Current Rating (A) | Voltage AC (V) | Voltage DC (V) | Response Time | Package | Dimensions | Breaking Capacity AC | Breaking Capacity DC | RoHS Status | Approval Agencies |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ABC-12-R | Eaton | 12 | 250 | 125 | Fast Blow | 3AB, 3AG, 1/4" x 1-1/4" | 0.250" x 1.250" (6.35 x 31.75 mm) | 750 A | 10 kA | ROHS3 | CSA, UL |
| BK/ABC-12-R | Eaton | 12 | 250 | 125 | Fast Blow | 3AB, 3AG, 1/4" x 1-1/4" | 0.250" x 1.250" (6.35 x 31.75 mm) | 750 A | 10 kA | ROHS3 | CSA, UL |
| BK/GBB-12-R | Eaton | 12 | 250 | 125 | Fast Blow | 3AB, 3AG, 1/4" x 1-1/4" | 0.250" x 1.250" (6.35 x 31.75 mm) | 10 kA | 10 kA | ROHS3 | CSA, UR |
| GBB-12-R | Eaton | 12 | 250 | 125 | Fast Blow | 3AB, 3AG, 1/4" x 1-1/4" | 0.250" x 1.250" (6.35 x 31.75 mm) | 200 A | 10 kA | ROHS3 | CSA, UR |
| 0314012.HXP | Littelfuse | 12 | 250 | 125 | Fast Blow | 3AB, 3AG, 1/4" x 1-1/4" | 0.250" x 1.250" (6.35 x 31.75 mm) | 750 A | 10 kA | ROHS3 | CE, CSA, K-MARK, UL |
| 0314012.MXANP | Littelfuse | 12 | 250 | 125 | Fast Blow | 3AB, 3AG, 1/4" x 1-1/4" | 0.250" x 1.250" (6.35 x 31.75 mm) | 750 A | 10 kA | ROHS3 | CE, CSA, K-MARK, UL |
| 0314012.MXP | Littelfuse | 12 | 250 | 125 | Fast Blow | 3AB, 3AG, 1/4" x 1-1/4" | 0.250" x 1.250" (6.35 x 31.75 mm) | 750 A | 10 kA | ROHS3 | CE, CSA, K-MARK, UL |
| 0314012.VXP | Littelfuse | 12 | 250 | 125 | Fast Blow | 3AB, 3AG, 1/4" x 1-1/4" | 0.250" x 1.250" (6.35 x 31.75 mm) | 750 A | 10 kA | ROHS3 | CE, CSA, KC, PSE, UL |
Engineering Selection Recommendations
Eaton Direct Equivalents (BK/ABC-12-R): This part is a direct manufacturer equivalent with identical electrical specifications, breaking capacity, and approval certifications (CSA, UL). Selection is appropriate for applications requiring continuity within the Eaton ABC series product line. Inventory availability is 2271 pieces.
Eaton GBB Series (BK/GBB-12-R, GBB-12-R): These parts meet all critical electrical and mechanical parameters. The GBB series carries CSA and UR certifications. Breaking capacity specifications differ (10 kA AC for BK/GBB-12-R; 200 A AC for GBB-12-R), which may be relevant for specific circuit protection requirements. Inventory levels are 1162 and 898 pieces respectively.
Littelfuse 314 Series (0314012.HXP, 0314012.MXP, 0314012.MXANP, 0314012.VXP): These parametric equivalents satisfy all core electrical and mechanical requirements. All variants carry CE, CSA, and UL certifications, with 0314012.VXP additionally holding KC and PSE approvals. Operating temperature range extends to -55°C to 125°C. Littelfuse parts are suitable for applications requiring multi-regional compliance or extended temperature operation. Inventory availability ranges from 652 to 5908 pieces across variants.
Selection among substitutes should be based on:
- Required approval agency certifications for the target application
- Inventory availability and lead time requirements
- Compatibility with existing supply chain documentation
- Operating temperature requirements
Frequently Asked Questions (FAQ)
Q: Can ABC-12-R be directly replaced with BK/ABC-12-R?
A: Yes. BK/ABC-12-R is a direct manufacturer equivalent with identical electrical ratings (12 A, 250 V AC, 125 V DC), breaking capacity (750 A AC, 10 kA DC), physical dimensions (0.250" × 1.250"), and approval certifications (CSA, UL). Both parts are compatible with 3AB and 3AG holders.
Q: What is the difference between Eaton ABC series and GBB series substitutes?
A: Both series meet the 12 A, 250 V AC, 125 V DC electrical requirements and share identical physical dimensions. The primary differences are approval certifications (ABC uses CSA/UL; GBB uses CSA/UR) and breaking capacity specifications. GBB-12-R specifies 200 A AC breaking capacity, while ABC-12-R specifies 750 A AC. Selection depends on application-specific circuit protection requirements and regional certification needs.
Q: Are Littelfuse 314 series parts (0314012.HXP, 0314012.MXP, 0314012.MXANP, 0314012.VXP) fully compatible?
A: Yes. All Littelfuse 314 series variants meet the core electrical specifications (12 A, 250 V AC, 125 V DC), response time (Fast Blow), and physical dimensions (0.250" × 1.250"). All are compatible with 3AB and 3AG holders. Differences exist in approval agency certifications and operating temperature ranges. 0314012.VXP includes KC and PSE certifications in addition to CE, CSA, and UL.
Q: Which substitute offers the widest approval agency coverage?
A: 0314012.VXP carries the broadest certification portfolio: CE, CSA, KC, PSE, and UL. This part is suitable for applications requiring compliance across multiple regional standards.
Q: What is the inventory status of substitute parts?
A: Current inventory levels are: BK/ABC-12-R (2271 pcs), BK/GBB-12-R (1162 pcs), GBB-12-R (898 pcs), 0314012.HXP (1475 pcs), 0314012.MXANP (1428 pcs), 0314012.MXP (5908 pcs), 0314012.VXP (652 pcs). 0314012.MXP offers the highest availability.
Q: Can these fuses be used interchangeably in the same holder?
A: Yes. All substitute parts share identical physical dimensions (0.250" diameter × 1.250" length) and are designed for 3AB and 3AG holders. Mechanical interchangeability is confirmed across all listed substitutes.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts, including the main part ABC-12-R, maintain ROHS3 compliance status.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts


