600-750V DC SQUARE-BODY/SPECIAL PURPOSE SIZE: 123 Features/Benefits Ratings CC 7.5gRC 500 Amp 750vdc@100kA L/R=100mSec Blown Fuse indicator 900vdc at 100kA L/R=40mSec Full range D.C. operation CC 7.5gRB, gRD 630 to 750 Amp Dimensions 750vdc@100kA L/R=50mSec 75 6 206 129 CC 6.6gRB 800 Amp CC.... 123 E ... 40 75 87 90.5 28 Weight: 1,820 g 660vdc@100kA L/R=50mSec 13 75 75 87 CC 7.5gRC, gRD Blown Fuse indicator Square ceramic body Full range D.C. operation Bladed and tapped versions standard Square ceramic body 90.5 Tapped 9mm deep Bladed and tapped versions standard Blown Fuse indicator CC.... 123 TTF ... M12 Square ceramic body CC 6.6gRB, gRD 171 131 129 CC 7.5gRC 500 Amp Full range D.C. operation Weight: 1,800 g Bladed and tapped versions standard APPLICATIONS DATA SIZE CURRENT INTERRUPTING RATING RATING IN(A) @ 750V DC 100kA 500 L/R = 100ms 500 @ 900V DC 100kA L/R = 40ms MAXIMUM l2t @900V=L/R 40ms Ip=10IN Ip=50IN 5x106 5x106 1 106 1 106 WATTS LOSS 0.8 IN IN 51 51 93.5 93.5 CATALOG NUMBER (1) REF. NUMBER CC 7,5 gRC 123 EF 0500 CC 7,5 gRC 123 TTF 0500 M089389 D090439 maximum 12 t (A2s) @800V = L/R 40ms Ip=10 I Ip=50 I N N 123 630 700 750 630 700 750 @ 750V DC 100kA L/R = 50ms 7.5 106 10 106 10 106 1.5 106 2 106 2 106 74 82 82 CC 7,5 gRB 123 EF 0630 CC 7,5 gRB 123 EF 0700 CC 7,5 gRB 123 EF 0750 B098556 Q078191 F220943 7.5 106 10 106 10 106 1.5 106 2 106 2 106 74 82 82 CC 7,5 gRB 123 TTF 0630 CC 7,5 gRB 123 TTF 0700 CC 7,5 gRD 123 TTF 0750 C098557 F090441 H220945 CC 6.6 gRB 123 EF 0800 CC 6.6 gRB 123 TTF 0800 G220944 J220946 maximum 12 t (A2s) @660V = L/R 30ms 800 800 @ 660V DC 100kA L/R = 50ms Ip=10 I N Ip=50 I N 12.15x106 12.15x106 2.6 106 2.6 106 See page G47 90 90 G 46 600-750V DC SQUARE-BODY/SPECIAL PURPOSE DC Application Data Um(V) 2: curve gRB-gRD 3: curve gRB ( 800 A ) L/R (ms) 1 2 2400 2000 3 1 1600 2 1200 800 1000 800 600 400 U (V) 200 1100 1000 900 800 700 600 0 0 400 500 90 80 70 60 50 40 30 20 10 0 Peak Arc voltage vs. working voltage U (V) 1-L/R = 100ms 2-L/R = 40ms Above: Curves indicate for various time constants L/R the peak arc voltage which may appear across fuse terminals, vs. DC working voltage. Above: Curves indicate maximum permissible value of time constant L/R as a function of DC working voltage. Max. AC voltage (50/60 Hz): 1250V with interrupting rating of 170kA. G Time vs. current characteristics 500 630 700-750 800 t (s) 10 4 10 3 10 2 a=130 A2=0.6 B1=1.25 B2=0.6 Cf3=0.8 Current 630 rating 700 (A) 750 800 10 1 10-1 + 7% tolerance for mean - pre-arcing current 10-2 10-3 10-4 10 2 10 3 10 5 I (A) 10 4 Above: Curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current. G 47 550 600 600 650 Maximum operating current (A)