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| Special Purpose Fuses LA70QS Semiconductor Fuses 700 VAC * Very Fast Acting * 35 - 800 Amperes Littelfuse LA70QS semiconductor fuses were developed to provide improved performance required by today's new equipment. The LA70QS features lower I2t, improved cycling, and lower watts loss. It is the best choice for the protection of dynamic solid-state equipment. Features * * * * * Very low I2t improved protection of equipment. Superior cycling ability for long, reliable life on high cycling loading. Lower watts loss for cooler operation. 700 Volt AC/DC rating provides greater design versatility. Compact sizes allow downsizing of equipment. Applications Protection of 700 volt or less solid state equipment such as motor drives, UPS, inverters, etc. Ordering Information LA 70 QS 150 -4 Littelfuse Voltage (300) Special Purpose Fuses Style Ampere Rating Mounting Type Blades/Bolt-in Specifications Voltage Rating: Interrupting Rating: Ampere Range: Approvals: AC: 700 Volts DC: 700 Volts AC: 200,000 Amperes DC: 100,000 Amperes 35 - 800 Amperes UL Recognized under the components program. CSA Certified. 96 www.littelfuse.com (c) 2005 Littelfuse * POWR-GARDTM Products Catalog Special Purpose Fuses LA70QS Semiconductor Fuses 700 VAC * Very Fast Acting * 35 - 800 Amperes Catalog Numbers & Technical Data Ampere Rating 35 40 50 60 70 80 90 100 125 125 150 150 175 175 Littelfuse Catalog Number LA70QS35-4 LA70QS40-4 LA70QS50-4 LA70QS60-4 LA70QS70-4 LA70QS80-4 LA70QS90-4 LA70QS100-4 LA70QS125-4 LA70QS125-4K LA70QS150-4 LA70QS150-4K LA70QS175-4 LA70QS175-4K Maximum Mounting Watts Loss @ Clearing I2 t @700 Type Rated Current (W) VAC (A 2S x 10 3) 4 4 4 4 4 4 4 4 4 4K 4 4K 4 4K 0.47 0.58 0.88 1.2 1.8 2.3 3 3.6 6.9 6.9 11 11 14 14 6.2 7.5 9.8 12 15 16 20 24 22 22 28 29 35 35 Maximum Ampere Littelfuse Mounting Watts Loss @ Clearing I2 t @700 Rating Catalog Number Type Rated Current (W) VAC (A 2S x 10 3) 200 200 250 300 350 400 450 450 500 500 600 600 700 800 LA70QS200-4 LA70QS200-4K LA70QS250-4 LA70QS300-4 LA70QS350-4 LA70QS400-4 LA70QS450-4 LA70QS450-4K LA70QS500-4 LA70QS500-4K LA70QS600-4 LA70QS600-4K LA70QS700-4 LA70QS800-4 4 4 4 4 4 4 4 4K 4 4K 4 4K 4 4 19 19 42 55 72 99 125 125 150 160 222 222 332 433 41 41 42 53 64 75 75 75 92 92 116 116 125 143 Special Purpose Fuses Dimensions Amperes 35 - 100 125 - 200 125 - 200 225 - 400 450 - 600 450 - 600 700 - 800 Mount. Type 4 4 4K 4 4 4K 4 Dimensions in Inches (mm in parentheses) A 4.38 (111) 4.38 (111) 5.09 (129) 5.09 (129) 5.09 (129) 7.09 (180) 7.09 (180) B 1.00 (25.4) 1.22 (31.0) 1.22 (31.0) 1.50 (38.1) 2.00 (50.8) 2.00 (50.8) 2.50 (63.5) C 2.88 (73) 2.88 (73) 2.88 (73) 2.84 (72.2) 2.84 (72.2) 2.84 (72.2) 2.84 (72.2) D 3.69 (93.6) 3.69 (93.6) 4.19 (106) 4.16 (106) 4.16 (106) 6.16 (156) 5.28 (134) E 3.50 (88.9) 3.56 (90.5) 3.50 (88) 3.53 (89.7) 3.53 (89.7) 3.53 (89.7) 4.91 (125) F 0.31 (7.9) 0.31 (7.9) 0.41 (10.3) 0.40 (10.3) 0.41 (10.3) 0.53 (13.5) 0.53 (13.5) Dimensions for reference only. G 0.75 (19.0) 1.00 (25.4) 1.00 (25.4) 1.50 (38.1) 1.50 (38.1) 1.50 (38.1) 2.00 (50.8) H 0.13 (3.2) 0.19 (4.8) 0.19 (4.8) 0.25 (6.4) 0.25 (6.4) 0.25 (6.4) 0.38 (9.5) Contact Littelfuse for characteristic curves. (c) 2005 Littelfuse * POWR-GARDTM Products Catalog www.littelfuse.com 97 |
Price & Availability of LA70QS60-4
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