TD-245 Datasheet | Cooper

.Data Sheet.co.kr SUBJECT: Technical Specifications for Vari STAR® MUS MOV Arrester Modules - IEEE® Station/IEC Class 2 Technical Data APPLICATION These epoxy-fiberglass reinforced modules containing Metal Oxide Varistors (MOV) are for use as active elements in IEC Class 2 and IEEE® station class gapless surge arresters when applied in appropriately designed housing. Individual modules are sealed within a plastic bag and display the module number, see Figure 3 and Figure 4. Table 1 Suggested Usage & Class Ratings IEC Energy Energy IEC High Absorption Absorption Cantilever Cantilever Line Current Level Level Strength Strength Ur Uc Dicharge IEEE® k J/k V of Uc k J/k V of Uc 12 mm Stud 1 inch Stud (Rating) IN (MCOV) Class HCSD (1 impulse) (2 impulse)- Iref Vref Min (Nm) (Nm) 3-60 k V 10 k A 2.55-48 k V 2 100 k A 3.4 5.5 6.0 m A Uc x 1.24 1,130 1,695 - Rating based on two impulses with 1 minute between impulses. - - The dimensions refers to the thread size in the electrodes and to achieve the cantilever strength shown, the corresponding stud size must be used. Table 2 Maximum Residual Voltages - Protective Characteristics - Vari STAR MUS MOV Arrester Modules Ur Arrester Rating (k V rms) 3 6 9 10 12 15 18 21 24 27 30 33 36 39 42 45 48 54 60 IEC Steep Current IEEE® Residual Front-of-Wave Voltage Protective Level (k V crest) (k V crest) 9.2 9.3 17.9 18.2 26.8 27.2 29.3 29.7 35.6 36.0 44.2 44.7 53.0 53.7 58.9 59.7 67.5 68.4 76.1 77.0 84.4 85.4 95.0 96.2 100 101 109 111 118 119 126 128 135 136 145 147 165 167 Lightning Impulse Residual Voltage (k V crest) 8/20 µs Current Wave 1.5 k A 7.0 13.9 20.9 23.0 27.9 34.7 41.8 46.4 53.3 60.1 66.6 75.1 79.2 86.0 92.8 100 107 115 131 3 k A 7.4 14.7 22.0 24.2 29.4 36.6 44.0 48.9 56.1 63.3 70.2 79.1 83.4 90.6 97.8 105 112 121 138 5 k A 7.7 15.4 23.1 25.4 30.8 38.3 46.2 51.3 58.8 66.3 73.6 82.9 87.4 95.0 103 110 118 127 145 10 k A 20 k A 40 k A 8.4 9.4 11 16.7 18.6 21.4 25.0 27.7 31.7 27.4 30.4 34.8 33.1 36.9 42.1 41.4 45.9 52.2 49.8 55.2 62.8...