Bussmann Square Body - US-Style 1000V (IEC) 315-1400A Ordering Information Curves Electrical Characteristics 2 2 I t (A s) -FKE/115 Type K Carton See Page Rated Clearing Rated Current Watts Indicator for Carton Weight or at Rated RMS-Amps Pre-arc Size Voltage Voltage Loss Micro Qty. (kg) (Datasheet) 1000 315 9200 54500 90 170M8531 1000 350 13000 77500 95 170M8532 1000 400 19000 115000 105 170M8533 1000 450 27000 160000 107 170M8534 1000 500 37500 225000 110 170M8535 1000 550 52000 310000 115 170M8536 Page 76 3 1000 630 82500 490000 120 170M8537 1 1.25 or 1000 700 115000 700000 125 170M8538 (720096) 1000 800 170000 1050000 135 170M8539 1000 900 250000 1500000 145 170M8540 1000 1000 340000 2050000 150 170M8541 1000 1100 460000 2750000 155 170M8542 1000 1250 575000 3400000 175 170M8543 900 1400 795000 4200000 185 170M8544 1 kg = 2.2 lbs. 1 lb = 0.45 kg Interrupting rating 150kA (Estimated 300kA) RMS Symmetrical. Watts loss provided at rated current. Microswitch ordered separately. The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this 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 applications. 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, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Form No. 170M Page 1 of 4 2-25-02 SB01407 BIF Doc 720096 Bussmann Square Body - US-Style 1000V (IEC) 315-1400A Electrical Characteristics 2 Total clearing I t Arc Voltage Power Losses 2 The total clearing I t at rated voltage and This curve gives the peak arc voltage, Watts loss at rated current is given in at power factor of 15% are given in the U , which may appear across the fuse dur- the electrical characteristics. The curve L electrical characteristics. For other volt- ing its operation as a function of the allows the calculation of the power 2 ages, the clearing I t is found by multi- applied working voltage E , (RMS) at a losses at load currents lower than the g plying by correction factor, K, given as power factor of 15%. rated current. The correction factor, K , p a function of applied working voltage, is given as a function of the RMS load E , (RMS). current, I , in % of the rated current. g b *Rated voltage 900V 1,5 3 1,0 K U K L p 2,5 0,8 0,7 2 1,0 * 1,8 0,6 1,6 0,5 1,4 1,2 0,4 3 10 0,5 0,3 8 0,4 7 6 0,3 0,2 5 0,15 4 0,2 Eg 3 Eg Ib 0,1 500 600 700 800 900 1000 500 600 700 800 900 1000 30 40 50 60 70 80 90 100% Dimensions DIN 43 653: Type FKE/115 Size B C1 C2 D E H I 1*FKE/115 156 130 101 59 45 20 10 1FKE/115 160 127 102 69 53 25 14 2FKE/115 160 127 102 77 61 25 14 3FKE/115 159 128 101 92 76 36 16 Dimensions in mm 1 mm = 0.0394 1 = 25.4 mm Form No.170M Page 2 of 4 2-25-02 SB01407 BIF Doc 720096