12-21-98 sb98107 rev. a hrc form ii current limiting fuses hrc form ii ceramic body form no. hcr form ii page 1 of 3 bif doc #4131 bussmann dimensional data catalog symbol: h07cb, k07cb, ko7crb, l14cb, m14cb, l09cb, m09cb, p09cb, p11cb and r11cb ceramic body fuse 600 volts a.c. or less 250 volts d.c. current limiting 200,000 amps rms symmetrical csa c22.2 no. 106m1992 bs88:2, iec269:2 applications hrc form ii fuses are often used to protect motor control circuits, together with contactors and overload protection relays. type 2 coordination - per iec 947-4. e d g f a h c j b h07cb (offset blades) e d g f a h c j b k07cb/k07crb/l14cb/m14cb (offset blades) d g c a f b e h l09cb/m09cb/p09cb (center blades) f b e g c a k d k h p11cb/r11cb (center blades)
12-21-98 sb98107 rev. a hrc form ii current limiting fuses hrc form ii ceramic body bussmann form no. hcr form ii page 2 of 3 bif doc #4131 ratings, categories and dimensions current dimensions in inches and (mm) ratings catalog csa (amps) number abcdef ghj k category 2 2h07cb 4 4h07cb 6 6h07cb 10 10h07cb 1.38 .56 3.38 .38 .06 2.88 .22 .31 .56 hrcii-c 15 15h07cb (35) (14) (85) (9) (1.2) (73) (5.6) (8) (14) 20 20h07cb 25 25h07cb 30 30h07cb 40 40k07cb 2.19 .88 3.44 .5 .06 2.88 .22 .31 .88 50 50k07cb hrcii-c 60 60k07cb (56) (22) (87) (13) (1.2) (73) (5.6) (8) (22) 80 80k07crb 2.19 .88 3.75 .5 .06 2.88 .22 .31 .88 hrcii-misc 100 100k07crb (56) (22) (95) (13) (1.2) (73) (5.6) (8) (22) 80 80l14cb 2.38 .88 4.38 .56 .13 3.69 .34 .44 1 hrcii-c 100 100l14cb (60) (21.4) (111) (14.3) (3.2) (94) (8.7) (11) (25.4) 125 125m14cb 2.56 1.5 4.38 .75 .09 3.69 .34 .44 150 150m14cb hrcii-misc 200 200M14CB (65) (38) (111) (19) (2.4) (94) (8.7) (11) 80 80l09cb 2.38 .88 5 .56 .13 4.38 .34 .44 hrcii-misc 100 100l09cb (60) (21.4) (127) (14) (3.2) (111) (8.7) (11) 125 125m09cb 2.56 1.5 5.38 .75 .13 4.38 .34 .56 150 150m09cb hrcii-c 200 200m09cb (65) (38) (136) (19) (3.2) (111) (8.7) (14) 250 250p09cb 300 300p09cb 3.06 2.31 5.38 1 .19 4.38 .34 .5 350 350p09cb (178) (59) (1136) (25.4) (4.8) (111) (8.7) (13) hrcii-misc 400 400p09cb 250 250p11cb 300 300p11cb 3.06 2.31 8.25 1 .19 5.25 .41 .63 1 hrcii-c 350 350p11cb (178) (59) (210) (25.4) (5) (133) (10) (16) 25 400 400p11cb 450 450r11cb 3.19 2.88 8.25 1 .25 5.25 .41 .63 1 500 500r11cb hrcii-c 600 600r11cb (81) (73) (210) (25.4) (6.3) (133) (10) (16) 25
12-21-98 sb98107 rev. a hrc form ii current limiting fuses hrc form ii ceramic body bussmann form no. hcr form ii page 3 of 3 bif doc #4131 the only controlled copy of this bif document is the electronic read-only version located on the bussmann network drive. all ot her copies of this bif document are by definition uncontrolled. this bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applicatio ns. bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. bussmann also reserves the right to change or update, withou t notice, any technical information contained in this bulletin. once a product has been select- ed, it should be tested by the user in all possible applications. peak let-through curves time/current-curves 100 1,000 10,000 100,000 1,000,000 30 60 100 200 400 600 fuse rating (amperes) ampere 2 seconds (i 2 t) total i 2 t at 600v total i 2 t at 460v pre-arcing i 2 t 100,000 10,000 1,000 100 10 1,000 100 10 1 .1 current in amperes time in seconds .01 30 60 100 200 400 600 ampere rating energy let-through curves 100 10 1 .1 100 10 1 .1 prospective current (sym. rms ka) peak current (ka) .01 30 60 100 200 400 600 ampere rating
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