Protistor DCProtistor fuses DC fuses DC Square-body Fuses Sizes 2x122 - 2x123 gR 750V DC Size 2x122 gRC - gRD from 500 to 1000 A Dimensions Weight: 2825 g Main Characteristics Size Current rating IN( A ) 500 630 800 900 Breaking Capacity @ 900V DC 100 kA L/R = 40 ms Max. I2t Watts loss @ 900 V = L/R 40 ms 0.8 IN IN IP = 10 I N P =250 IN (A2S) (A S) (W) (W) Ref. Number Catalog Number CC 7,5 gRC 2122 TTF 0500 CC 7,5 gRC 2122 TTF 0630 CC 7,5 gRC 2122 TTF 0800 CC 7,5 gRD 2122 TTF 0900 Q 090473 R 090474 S 090475 T 220955 D2122GC75V500TF D2122GC75V630TF D2122GC75V800TF D2122GD75V900TF 4.8 106* CC 7,5 gRD 2122 TTF 1000* V 220956 D2122GD75V10CTF 51 63 81 98 94 1 106 5 106 6 116 8 10 1.6 106 6 149 12.4 10 2.4 106 180 16 106 3.2 106 maximum I2t (A2s) @ 800 V = L/R 40 ms IP = 10 IN IP = 50 IN 104 190 25 106* 2x122 @ 750 V DC 100 kA L/R = 100 ms 1000* Designation Microswitch: MC 3E 1-5N Ref. Number: D310020 * Max I2t @ 800V = 750 VDC 100 kA L/R = 50 ms and breaking capacity @750 VDC 100 kA L/R = 50 ms Pack: 1 piece SCDC28 12/04 Protistor DC fuses Protistor DC fuses DC Square-body Fuses Sizes 2x122 - 2x123 gR 750V DC Size 2x122 gRC - gRD from 500 to 1000 A Electrical characteristics DC applications data Peak arc voltage vs. working voltage Um(V) L/R (ms) 2 1 1 2400 2 2000 1600 1200 U (V) 1000 800 600 0 0 400 U (V) 200 400 1100 1000 900 800 700 600 800 500 90 80 70 60 50 40 30 20 10 0 1 : curve gRC - gRD 900 2 : curve gRD 1000 1 : L/R = 100 ms 2 : L/R = 40 ms Above: Curves indicate maximum permissible value of time constant L/R as a function of DC working voltage Above: Curves indicate for various time constants L/R the peak arc voltage which may appear across fuse terminals, vs. DC working voltage Max. AC voltage (50/60 Hz): 1250 V with breaking capacity of 170 kA 800 500 630 t (s) 900 1000 Time vs. current characteristics 10 4 10 4 a= 130 A2=0.6 B1= 1.25 B2= 0.6 Cf3= 0.8 10 3 10 2 10 3 10 2 10 10 1 1 10 -1 10 -1 10 -2 10 -2 10 -3 10 -3 10 -4 10 2 10 -4 10 3 10 4 10 5 I (A) 10 2 Above, left and right: Curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current. 12/04 a= 130 A2=0.6 B1= 1.25 B2= 0.6 Cf3= 0.8 SCDC29 10 3 10 4 7% tolerance for mean pre-arcing current 10 5 I (A) Protistor DCProtistor fuses DC fuses DC Square-body Fuses Sizes 2x122 - 2x123 gR 750V DC Size 2x123 gRC-gRB-gRD from 1000 to 1600 A Dimensions Weight: 4190 g Main Characteristics Size Current rating IN( A ) Breaking Capacity Max. I2t Watts loss @ 900 V = L/R 40 ms 0.8 IN IN IP = 10 I N P =250 IN (W) (W) (A2S) (A S) @ 750 V DC 100 kA L/R = 100 ms 1000 @ 900 V DC 102 100 kA L/R = 40 ms 187 20 106 Designation Ref. Number Catalog Number CC 7,5 gRC 2123 TTF 1000 Z 090481 D2123GC75V10CTF CC 7,5 gRB 2123 TTF 1250 D 098558 CC 7,5 gRB 2123 TTF 1400 B 090483 CC 7,5 gRD 2123 TTF 1500 K 220947 D2123GB75V12CTF D2122GB75V14CTF D123GD75V1500TF 10.106 CC 6.6 gRB 2123 TTF 1600 L 220948 D123GB66V1600TF 4 106 2x123 1250 1400 1500 @ 750 V DC 100 kA L/R = 50 ms 148 164 164 74 82 82 1600 @ 660 V DC 180 100 kA L/R = 50 ms See max. operating current next page maximum I2t (A2s) @ 800 V = L/R 40 ms IP = 10 IN IP = 50 IN 30 106 40 106 40 106 6 106 8 106 8 106 maximum I2t (A2s) @ 660 V = L/R 30 ms IP = 10 IN IP = 50 IN 48.6 106 Microswitch: MC 3E 2-5N Reference Number: D310020 Pack: 1 piece SCDC30 12/04 Protistor DC fuses Protistor DC fuses DC Square-body Fuses Sizes 2x122 - 2x123 gR 750V DC Size 2x123 gRC-gRB-gRD from 1000 to 1600 A Electrical characteristics Peak arc voltage vs. working voltage DC applications data L/R (ms) Um(V) 90 80 70 60 50 40 30 20 10 0 4 3 5 2400 1 2000 2 1600 1200 800 1000 1250 1100 1200 1200 1300 10 4 10 3 10 2 Maximum operating current (A) a= 130 A2= 0.52 B1= 1.25 B2= 0.6 Cf3= 0.8 10 3 10 2 10 1 1 10 -1 10 -1 10 -2 10 -2 10 -3 10 -3 a= 130 A2= 0.52 B1= 1.25 B2= 0.6 Cf3= 0.8 10 -4 I (A) 10 2 10 3 10 4 10 5 Above, left and right: Curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current. 12/04 1000 10 4 10 10 -4 1600 Time vs. current characteristics 1400/1500 Above: Curves indicate for various time constants L/R the peak arc voltage which may appear across fuse terminals, vs. DC working voltage 1250 V with breaking capacity of 170 kA 1250 Current 1400 rating 1500 (A) 1600 U (V) 1: L/R = 100 ms 2: L/R = 40 ms Max. AC voltage (50/60 Hz): t (s) 800 3: curve gRC 4: curve gRD 5: curvee gRB 1600 A Above: Curves indicate maximum permissible value of time constant L/R as a function of DC working voltage. 600 0 0 400 U (V) 200 1100 1000 900 800 700 600 500 400 10 2 10 3 10 4 10 5 7% tolerance for mean pre-arcing current SCDC31 I (A)