Bussmann ® Square Body – Flush End Contact 690V (IEC) 25-400A Electrical Characteristics Size 00 Rated Current RMS-Amps I2t (A2S) Clearing Pre-arc at 660V 25 32 40 50 63 80 100 125 160 200 250 315 350 400 19 28.5 50 95 170 310 620 1000 1900 3400 6250 10000 13500 18000 130 195 360 640 1200 2100 4150 6950 13000 23000 42000 68500 91500 125000 Ordering Information Watts Loss 00B/60 Visual Indicator 00BTN/60 Type T Indicator for Micro 6 7 9 10 12 15 20 25 30 35 45 55 60 70 170M2708 170M2709 170M2710 170M2711 170M2712 170M2713 170M2714 170M2715 170M2716 170M2717 170M2718 170M2719 170M2720 170M2721 170M2758 170M2759 170M2760 170M2761 170M2762 170M2763 170M2764 170M2765 170M2766 170M2767 170M2768 170M2769 170M2770 170M2771 n Interrupting rating 200kA (Estimated 300kA) RMS Symmetrical. n Watts loss provided at rated current. n Microswitch indicator ordered separately. 7-11-01 SB01191 Curves Carton Qty. Carton Weight (kg) 5 1.35 BIF # 17056312 1 kg = 2.2 lbs. 1 lb = 0.45 kg Form No. Page 1 of 2 BIF Doc #720018 Bussmann ® Square Body – Flush End Contact 25-400A 690V (IEC) Electrical Characteristics Total Clearing I2t The total clearing I2t at rated voltage and at power factor of 15% are given in the electrical characteristics. For other voltages, the clearing I2t is found by multiplying by correction factor, K , given as a function of applied working voltage, E g , (RMS). 1.4 1.2 103 9 8 7 6 Arc Voltage This curve gives the peak arc voltage, U L , which may appear across the fuse during its operation as a function of the applied working voltage, E g , (RMS) at a power factor of 15%. 1.4 1.2 103 9 8 7 6 UL 5 1.0 Kp 0.8 UL 0.6 0.5 0.4 0.3 5 4 Power Losses Watts loss at rated current is given in the electrical characteristics. The curve allows the calculation of the power losses at load currents lower than the rated current . The correction factor, K p , is given as a function of the RMS load current, Ib , in % of the rated current . 0.2 4 Eg 3 200 300 400 500 Eg 3 600 690 200 300 400 500 Ib 0.1 30 40 50 600 690 60 70 80 90 100% Dimensions Flush End Contact: Type 00B/60, 00BTN/60 Dimension in mm. 1mm = 0.0394∑ 1∑ = 25.4mm M8 6 64 30 54 Max 48 62 Indicator 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. 7-11-01 SB01191 Form No. Page 2 of 2 BIF Doc #720018

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