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| LA70QS Semiconductor Fuses 700 VAC I Very Fast-Acting I 35 - 800 Amperes SPECIFICATIONS Voltage Rating: AC: 700 Volts DC: 700 Volts Interrupting Rating: AC: 200,000 Amperes DC: 100,000 Amperes Ampere Range: 35 - 800 Amperes Approvals: UL Recognized under the components program. CSA Certified. NEW ORDERING INFORMATION LA 70 QS 150 -4 Voltage (700) Ampere Rating Mounting Type Littelfuse Style (Blades/Bolt-in) Littelfuse's 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 I I I I I 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 down-sizing of equipment. APPLICATIONS Protection of 700 volt or less solid state equipment such as motor drives, UPS, inverters, etc. 94 LA70QS Semiconductor Fuses 700 VAC I Very Fast-Acting I 35 - 800 Amperes Catalog Numbers & Technical Data Ampere Rating 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 Mounting Maximum Type Clearing I2t @700 VAC 2 3 (A S x 10 ) 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 Watts Loss @ Rated Current (W) 6.2 7.5 9.8 12 15 16 20 24 22 22 28 29 35 35 Ampere Rating Littelfuse Catalog Number 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 Mounting Maximum Type Clearing I2t @700 VAC 2 3 (A S x 10 ) 4 4K 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 Watts Loss @ Rated Current (W) 41 41 42 53 64 75 75 75 92 92 116 116 125 143 35 40 50 60 70 80 90 100 125 125 150 150 175 175 200 200 250 300 350 400 450 450 500 500 600 600 700 800 DIMENSIONS AMPERES 35 - 100 125 - 200 125 - 200 225 - 400 450 - 600 450 - 600 700 - 800 Dimensions for reference only. A 4.38 (111) 4.38 (111) 5.09 (129) 5.09 (129) 5.09 (129) 7.09 (180) 7.09 (180) MOUNT. TYPE 4 4 4K 4 4 4K 4 DIMENSIONS IN INCHES (mm in parentheses) B C D E F G 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) 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) 3.69 (93.6) 3.69 (93.6) 4.19 (106) 4.16 (106) 4.16 (106) 6.16 (156) 5.28 (134) 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) 0.31 (7.9) 0.31 (7.9) 0.41 (10.3) 0.40 (10.3) 0.41 (10.3) 0.53 (13.50 0.53 (13.5) 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. 95 |
Price & Availability of LA70QS150-4
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