Catalog
Low Voltage UL/CSA Fuses
Class L

A4BQ - Class L - Time-Delay
Amp-Trap 2000 A4BQ fuses are 20% more current limiting than any other Class L fuse on the market. When correctly coordinated, they bring a superior level of protection to service entrance equipment. Downstream circuit components have maximum protection against short circuit let-thru current. A4BQ's built-in 4-second time-delay characteristic (at 500% of rated current) accommodates harmless inrush currents with no nuisance opening.
FEATURES
- Fastest operation under short circuit conditions: Let-thru currents are typically 20% lower, with a corresponding let-thru energy (clearing I2t) up to 40% lower than the next fastest Class L fuse
- Time-delay for high inrush loads such as motors and transformers, without nuisance opening
- 300kA interrupting rating, self-certified (UL witnessed)
- Most current-limiting for lowest peak let-thru current; even at fault currents up to 300kA
- Pure silver links ensure lowest let-thru current and longer fuse life
- Easy 2-to-1 selectivity for prevention of nuisance shutdowns and "blackouts"
- Rejection-style design prevents replacement errors
- High-visibility orange label gives instant recognition
- Reduced inventory because A4BQ can replace all older types of Class L fuses now in service
- Metal embossed date and catalog number for traceability and lasting identification
- Fiberglass body provides dimensional stability in harsh industrial settings
- High-grade silica filler ensures fast arcquenching
PRODUCT DETAILS
- Volts (VAC) 600 VAC
- Volts (VDC) 500 VDC
- Ampere Range (A) 100-6000 A
- I.R. AC (kA) 200 kA
- I.R DC (kA) 100 kA
- IR Other (kA) 300kA 600VAC Self Certified (UL Witnessed)
- Class Class L
- Speed / Characteristic Time-Delay
- Mounting Bolt On
- Connection Terminal Type Blade
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Body Style
Cylindrical
Rejection - Body Material GMG
- Materials Contact Silver-Plated Copper
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Standards
UL Recognized to Standard 248-10, File E60314,
UL Listed to Standard 248-10, File E2137
DC listed to UL Standard 248
CSA Certified to Standard C22.2, No. 248.10,
UL Listed to Standard 248-10, File E2137
CSA Certified to Standard C22.2, No. 248.10
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Application
Mains
Feeders
Large motors
Lighting, heating & general loads
Circuit breaker back-up
UPS
Battery Circuits - ROHS Compliant Consult Technical Services
- Lead Free Consult Technical Services
- CE conformity Consult Technical Services
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UL File Card
E2137 JDDZ.E2137
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CSA File Card
Class: 1422-02 File: 012636_0_000
Catalog-Reference
- A4BQ100 - J215771
- A4BQ1000 - P216282
- A4BQ1200 - R216790
- A4BQ1350 - G217310
- A4BQ1400 - L217820
- A4BQ150 - X218336
- A4BQ1500 - J218853
- A4BQ1600 - Y219372
- A4BQ1800 - V219898
- A4BQ1900 - D230325
- A4BQ200 - L222581
- A4BQ2000 - B223101
- A4BQ250 - H200889
- A4BQ2500 - V201429
- A4BQ2501 - H230329
- A4BQ300 - F201945
- A4BQ3000 - F211168
- A4BQ350 - Y211690
- A4BQ3500 - E212202
- A4BQ3800 - V212722
- A4BQ400 - E213237
- A4BQ4000 - W213735
- A4BQ450 - D214248
- A4BQ500 - F214756
- A4BQ5000 - K215266
- A4BQ600 - K215772
- A4BQ6000 - Q216283
- A4BQ601 - H217311
- A4BQ650 - M217821
- A4BQ700 - Y218337
- A4BQ750 - K218854
- A4BQ800 - Z219373
- A4BQ900 - W219899
CAD & OUTLINE DRAWINGS
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CAD Drawings
- Drawing A4BQ(100-600) : PDF (30 KB)
- Drawing A4BQ(100-600)TA : PDF (31 KB)
- Drawing A4BQ(1000-1200) : PDF (38 KB) DXF (154 KB)
- Drawing A4BQ(2501-3000)-TA : PDF (40 KB)
- Drawing A4BQ(3001-4000)-TA : PDF (40 KB) DXF (762 KB)
- Drawing A4BQ(601-800)-TA : PDF (36 KB)
- Drawing A4BQ1600 : PDF (37 KB)
- Drawing A4BQ2000 : PDF (37 KB)
- Drawing A4BQ2500 : PDF (75 KB) DXF (2.2 MB)
- Drawing A4BQ3000 : PDF (38 KB)
- Drawing A4BQ4000 : PDF (39 KB)
- Drawing A4BQ5000 : PDF (37 KB)
- Drawing A4BQ6000 : PDF (38 KB)
- Drawing A4BQ800 : PDF (35 KB) DXF (146 KB)
- Drawing A4BQ(601-800) : STP (178 KB)
- Drawing A4BQ(801-1200) : STP (76 KB)
- Drawing A4BQ1000 : PDF (32 KB)
- Drawing A4BQ(1201-1600) : DXF (271 KB) STP (0.9 MB)
- Drawing A4BQ(1600-2000) : DXF (173 KB) STP (157 KB)
RESOURCES
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Application Guidelines
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Brochures
-
Charts
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Data Sheets
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CAD Drawings
- Drawing A4BQ(100-600) : PDF (30 KB)
- Drawing A4BQ(100-600)TA : PDF (31 KB)
- Drawing A4BQ(1000-1200) : PDF (38 KB) DXF (154 KB)
- Drawing A4BQ(2501-3000)-TA : PDF (40 KB)
- Drawing A4BQ(3001-4000)-TA : PDF (40 KB) DXF (762 KB)
- Drawing A4BQ(601-800)-TA : PDF (36 KB)
- Drawing A4BQ1600 : PDF (37 KB)
- Drawing A4BQ2000 : PDF (37 KB)
- Drawing A4BQ2500 : PDF (75 KB) DXF (2.2 MB)
- Drawing A4BQ3000 : PDF (38 KB)
- Drawing A4BQ4000 : PDF (39 KB)
- Drawing A4BQ5000 : PDF (37 KB)
- Drawing A4BQ6000 : PDF (38 KB)
- Drawing A4BQ800 : PDF (35 KB) DXF (146 KB)
- Drawing A4BQ(601-800) : STP (178 KB)
- Drawing A4BQ(801-1200) : STP (76 KB)
- Drawing A4BQ1000 : PDF (32 KB)
- Drawing A4BQ(1201-1600) : DXF (271 KB) STP (0.9 MB)
- Drawing A4BQ(1600-2000) : DXF (173 KB) STP (157 KB)
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