750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE SIZE: 120 Features/Benefits Ratings 50 to 160 Amps Blown Fuse indicator 750vdc at 100kA L/R=100mSec Square ceramic body 900vdc at 100kA L/R=40mSec Full range D.C. operation Bladed and tapped versions standard Dimensions 39 6 181 124 CC.... 120 E ... 41 53 18 66.5 9 28 156 126 124 Weight: 579 g 39 CC.... 120 TTF... 41 53 M8 tapped 9mm deep 56.5 Weight: 574 g 28 APPLICATIONS DATA SIZE CURRENT INTERRUPTING RATING RATING IN(A) 50 63 80 100 125 160 120 50 63 80 100 125 160 @ 750V= 100kA L/R = 100ms @ 900 V= 100kA L/R = 40ms MAXIMUM l2t @900V=L/R 40ms Ip=10IN Ip=50IN WATTS LOSS 0.8 IN IN CATALOG NUMBER (1) REF. NUMBER 42500 75500 125000 200000 315000 485000 8500 15000 24500 40000 62500 100000 4.4 5.7 7.3 9.1 11.5 15 8.1 10.4 13.4 16.7 21 27 CC 7,5 gRC 120 EF 0050 CC 7,5 gRC 120 EF 0063 CC 7,5 gRC 120 EF 0080 CC 7,5 gRC 120 EF 0100 CC 7,5 gRC 120 EF 0125 CC 7,5 gRC 120 EF 0160 Y084776 R085207 Q085206 P085205 R086242 N085204 42500 75500 125000 200000 315000 485000 8500 15000 24500 40000 62500 100000 4.4 5.7 7.3 9.1 11.5 15 8.1 10.4 13.4 16.7 21 27 CC 7,5 gRC 120 TTF 0050 CC 7,5 gRC 120 TTF 0063 CC 7,5 gRC 120 TTF 0080 CC 7,5 gRC 120 TTF 0100 CC 7,5 gRC 120 TTF 0125 CC 7,5 gRC 120 TTF 0160 B220824 Q082400 Z090435 R082401 P085251 R085253 Microswitch: MC 3E 1-5N Ref. Number: D310020 G 40 750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE DC Application Data Peak Arc voltage vs. working voltage Um(V) L/R (ms) 2400 1 2000 2 1600 1200 800 1000 800 600 400 200 0 U (V) 0 1100 1000 900 800 400 700 600 90 80 70 60 50 40 30 20 10 0 U (V) 1-L/R = 45ms 2-L/R = 15ms Above: Curves indicate for various time constants L/R the peak arc voltage which may appear across fuse terminals, vs. DC working voltage. Above: Curve indicates 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. Time vs. current characteristics G + 7% tolerance for mean - pre-arcing current I (A) Above: Curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current. G 41 750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE SIZE: 121 Features/Benefits Ratings 200 to 250 Amps Blown Fuse indicator 750vdc at 100kA L/R=100mSec Square ceramic body 900vdc at 100kA L/R=40mSec Full range D.C. operation Bladed and tapped versions standard Dimensions 51 6 191 129 CC.... 121 E ... 51 63 25 66.5 11 28 Weight: 825 g 166 131 129 51 CC.... 121 TTF... 51 63 M8 Tapped 9mm deep 66.5 Weight: 796 g 28 APPLICATIONS DATA SIZE CURRENT INTERRUPTING RATING RATING IN(A) 200 250 121 200 250 @ 750V DC 100kA L/R = 100ms @900V DC 100kA L/R = 40ms MAXIMUM l2t @900V=L/R 40ms Ip=10IN Ip=50IN WATTS LOSS 0.8 IN IN CATALOG NUMBER (1) REF. NUMBER 755000 1250000 150000 250000 20.5 25.5 37.5 46.7 CC 7,5 gRC 121 EF 0200 CC 7,5 gRC 121 EF 0250 A086710 M085203 755000 1250000 150000 250000 20.5 25.5 37.5 46.7 CC 7,5 gRC 121 TTF 0200 CC 7,5 gRC 121 TTF 0250 N085250 Q085252 Microswitch: MC 3E 1-5N Ref. Number: D310020 G 42 750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE DC Application Data Peak Arc voltage vs. working voltage Um(V) L/R (ms) 2400 1 2000 2 1600 1200 800 800 1000 600 400 0 U (V) 200 0 1100 1000 900 800 400 700 600 90 80 70 60 50 40 30 20 10 0 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: Curve indicates 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. Time vs. current characteristics 200 250 t (s) G 10 4 a=130 A2=0.6 B1=1.25 B2=0.6 Cf3=0.8 10 3 10 2 10 + 7% tolerance for mean - 1 pre-arcing current 10-1 10-2 10-3 10-4 10 10 2 10 3 10 4 I (A) Above: Curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current. G 43 750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE SIZE: 122 Features/Benefits Ratings 250 to 500 Amps Blown Fuse indicator 750vdc at 100kA L/R=100mSec Square ceramic body 900vdc 100kA L/R=40mSec Full range D.C. operation Bladed and tapped versions standard Dimensions 60 6 206 129 CC.... 122 E ... 32 60 72 65.5 28 Weight: 1,210 g 13 171 131 129 60 CC.... 122 TTF ... 60 72 M10 Tappped 9mm deep 65.5 Weight: 1,150 g 28 APPLICATIONS DATA SIZE CURRENT INTERRUPTING RATING RATING IN(A) 250 315 350 400 450 500 122 250 315 350 400 450 500 @ 750V DC 100kA L/R = 100ms @ 900 V DC= 100kA L/R = 40ms MAXIMUM l2t @900V=L/R 40ms Ip=10IN Ip=50IN WATTS LOSS 0.8 IN IN CATALOG NUMBER (1) REF. NUMBER 1.25x106 2x106 2.5x106 3.1x106 4x106 6.2x106* 250,000 400,000 500,000 600,000 800,000 1.25x106* 25.5 31.5 35 40.5 49 52 46.7 58 64.5 74.5 90 95 CC 7,5 gRC 122 EF 0250 CC 7,5 gRC 122 EF 0315 CC 7,5 gRC 122 EF 0350 CC 7,5 gRC 122 EF 0400 gRD 7,5 gRD 122 EF 0450 gRD 7,5 gRD 122 EF 0500 A087331 B087332 W221141 L089388 P220951 Q220952 1.25 x106 2x106 2.5x106 3.1x106 4x106 6.2x106* 250,000 400,000 500,000 600,000 800,000 1.25x106* 25.5 31.5 35 40.5 49 52 46.7 58 64.5 74.5 90 95 CC 7,5 gRC 122 TTF 0250 CC 7,5 gRC 122 TTF 0315 CC 7,5 gRC 122 TTF 0350 gRD 7,5 gRC 122 TTF 0400 gRD 7,5 gRD 122 TTF 0450 gRD 7,5 gRD 122 TTF 0500 B090437 M085249 G220898 C090438 R220953 S220954 *MAX. 12t @ 800V=, L/R=40ms Microswitch: MC 3E 1-5N Ref. Number: D310020 G 44 750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE DC Application Data Peak Arc voltage vs. working voltage L/R (ms) Um(V) 2400 2000 1600 1200 800 400 0 800 600 U (V) 400 0 1100 900 1000 800 700 600 500 2 1 1000 1 2 200 90 80 70 60 50 40 30 20 10 0 U (V) 1-gRC-gRD 450A 2-gRD 500A 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: Curve indicates 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 t (s) gRD 400 450 gRC 10 4 a=130 A2=0.6 B1=1.25 B2=0.6 Cf3=0.8 10 3 10 2 10 1 10-1 10-2 10-3 10-4 10 2 10 3 10 4 + 7% tolerance for mean - Above: Curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current. pre-arcing current G 45 10 5 I (A)