Mersen, formerly Ferraz Shawmut A2K, A6K Catalog Page
AMP-TRAP
®
A2K & A6K CLASS RK1
THESE Fast-actinG FUSES DELIVER A
HIGH DEGREE OF CURRENT LIMITATION
WHERE YOU NEED IT MOST
Current-limiting A2K and A6K fuses provide
excellent protection where high available short
circuit currents exist. These fast-acting fuses are
particularly good for branch/feeder circuits and
back-up protection.
Features/Benefits
Rejection style design prevents replacement by other
➤
fuse classes
Fiberglass body provides dimensional stability in harsh
➤
industrial environments
Easy-to-read imprint label for quick recognition and
➤
replacement
High degree of current limitation for low peak
➤
let-thru current
B
HIGHLIGHTS:
Highly Current-Limiting
➤
Fast Acting
➤
Rejection Style
➤
APPLICATIONS:
Loadcenters
➤
Panelboards
➤
Switchboards
➤
Bus Duct
➤
Feeder Circuits
➤
Non-inductive Loads
➤
Lighting Circuits
➤
Ratings
A2K
➤
AC: 1 to 600A
250VAC, 200kAI.R.
DC: 1 to 600A 250VDC,
200kA I.R.
A6K
➤
AC: 1 to 600A
600VAC, 200kA I.R.
DC: 1 to 600A 300VDC,
20kA I.R.
B 27
Approvals
UL Listed to Standard
➤
248-12 File E2137
CSA Certified to
➤
Standard C22.2
No. 248.12
Ferraz Shawmut Certified
➤
for DC per UL248
AMP-TRAP
®
FAST ACTING/CLASS RK1 FUSES A2K & A6K
Standard Fuse Ampere Ratings, Catalog Numbers
AMPERE CATALOG NUMBER AMPERE CATALOG NUMBER AMPERE CATALOG NUMBER
RATING 250V 600V RATING 250V 600V RATING 250V 600V
1 A2K1R A6K1R 35 A2K35R A6K35R 175 A2K175R A6K175R
3 A2K3R A6K3R 40 A2K40R A6K40R 200 A2K200R A6K200R
4 - A6K4R 45 A2K45R A6K45R 225 A2K225R A6K225R
5 A2K5R A6K5R 50 A2K50R A6K50R 250 A2K250R A6K250R
6 A2K6R A6K6R 60 A2K60R A6K60R 300 A2K300R A6K300R
8 - A6K8R 70 A2K70R A6K70R 350 A2K350R A6K350R
10 A2K10R A6K10R 80 A2K80R A6K80R 400 A2K400R A6K400R
12 A2K12R - 90 A2K90R A6K90R 450 A2K450R A6K450R
15 A2K15R A6K15R 100 A2K100R A6K100R 500 A2K500R A6K500R
20 A2K20R A6K20R 110 A2K110R A6K110R 600 A2K600R A6K600R
25 A2K25R A6K25R 125 A2K125R A6K125R
30 A2K30R A6K30R 150 A2K150R A6K150R
Recommended Fuse Blocks With Box
Connectors For Amp-trap Class RK1 Fuses
Fuse Catalog Number
Ampere 250V 600V
0-60A
61-600A
Rating 1 Pole 3 pole 1 pole 3 pole
0-30 20306R 20308R 60306R 60308R
31-60 20606R 20608R 60606R 60608R
61-100 21036R 21038R 61036R 61038R
101-200 22001R 22003R 62001R 62003R
201-400 24001R 24003R 64001R 64003R
401-600 2631R 2633R 6631R 6633R
A variety of pole configurations and termination provisions
are available. Refer to the fuse block section of this catalog
for details.
Dimensions
AMPERE A B C D E
RATING In. mm In. mm In. mm In. mm In. mm
250V-A2K FUSES
0-30 2 51 9/16 14 - - - - - 31-60 3 76 13/16 21 - - - - - 61-100 5-7/8 149 1-1/16 27 1/8 3 3/4 19 1 25
101-200 7-1/8 181 1-9/16 40 3/16 5 1-1/8 28 1-3/8 35
201-400 8-5/8 219 2-1/16 53 1/4 6 1-5/8 41 1-7/8 48
401-600 10-3/8 264 2-9/16 66 1/4 6 2 51 2-1/4 57
600V-A6K FUSES
0-30 5 127 13/16 21 - - - - - 31-60 5-1/2 139 1-1/16 27 - - - - - 61-100 7-7/8 200 1-5/16 34 1/8 3 3/4 19 1 25
101-200 9-5/8 244 1-13/16 46 3/16 5 1-1/8 28 1-3/8 35
201-400 11-5/8 295 2-9/16 66 1/4 6 1-5/8 41 1-7/8 48
401-600 13-3/8 340 3-1/8 80 1/4 6 2 51 2-1/4 57
B 28
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