MS3H1000C LITTELFUSE | Alldatasheet
Document overview
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Technical content
POWR-SPEED® Accessories MS SERIES HIGH-SPEED FUSE MICROSWITCH Microswitch for Square Body Fuse
Description
Littelfuse MS series external mount microswitches offer permanent blown fuse indication to PSR and PSX series high-speed square-body semiconductor fuses. They have one normally open (N.O.) and one normally closed (N.C.) contact rated for 4 A, 250 V ac. These microswitches have a visual red flap or arm indicator that releases after fuse blown condition and can also be used for resetting the microswitch contacts. Features/Benefits Available in three sizes to fit PSR and PSX series fuses Internal microswitch UL recognized Red flap visual indicator and contact reset mechanism
Electrical Characteristics
Voltage Rating See Electrical Characteristics table Amperage Rating See Electrical Characteristics table Operating Temperature -10 °C to +125 °C Relative Humidity 85 % Contact Silver-nickel plated copper Approvals Internal microswitch part number: MS1-16Z0-A150, recognized under UL File: E176213 Flammability UL 94 V0 Environmental RoHS Compliant Country of Origin China CATALOG NUMBER ORDERING NUMBER INDICATING STYLE INSULATION VOLTAGE RATING COMPATIBLE FUSE SERIES FUSE CASE SIZE NON-INDUCTIVE LOAD PACK QUANTITY30 V DC 125 V AC 250 V AC MS3H1000C MS3H1000C Standard NO-NC 1000 PSR 30, 31, 32, 33 10 A 16 A 4 A 3 Pcs/Bag MS7H1500C MS7H1500C Standard NO-NC 1500 PSR 70, 71, 72, 73 10 A 16 A 4 A 3 Pcs/Bag MSXL2000C MSXL2000C Standard NO-NC 2000 PSX 1XL, 3XL 10 A 16 A 4 A 1 Pcs/Bag Littelfuse.com/microswitch © 2021 Littelfuse, Inc. Rev: 2-B-0928211 of 3
POWR-SPEED® Accessories MS SERIES HIGH-SPEED FUSE MICROSWITCH 42.00 [1.654] 117.09 [4.610] 42.00 [1.654] 39.00 [1.535] 42.00 [1.654] 63.00 [2.480] MS3H1000C 32.35 [1.274] 23.05 [0.907] 10.35 [0.407] 15.95 [0.628] 16.04 [0.631] 10.02 [0.394] REF WHEN OPEN 2.34 [0.092] 34.85 [1.372] MS7H1500C23.03 [0.907] 10.02 [0.394] REF WHEN OPEN 10.33 [0.407] 15.93 [0.627] 7.35 [0.289] 21.05 [0.829] 32.35 [1.274] 34.83 [1.371] MSXL2000C 10.02 [0.394] REF WHEN OPEN 23.05 [0.907] 15.95 [0.628] 10.35 [0.407] 32.54 [1.281] 18.84 [0.742] 31.33 [1.234] 33.83 [1.332] 42.0 63.0 MS7H1500C 10.0 32.333.4 42.0 39.0 MS3H1000C 33.4 10.0 32.3 Dimensions 1/4” Q.C TERMINALS MS3H1000C MS7H1500C MSXL2000C VISUAL INDICATOR Littelfuse.com/microswitch © 2021 Littelfuse, Inc. Rev: 2-B-0928212 of 3
POWR-SPEED® Accessories MS SERIES HIGH-SPEED FUSE MICROSWITCH Disclaimer Notice – Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer. Mounting Method Fix the two M4 x 0.7 screws on the external indicator switch up to its screw heads. Align the two screws straight to the fuse indicator terminals. Tighten the screws to the fuse indicator terminals at its maximum recommended torque values. Recommended external indicator switch screws tightening torque: 0.6 to 0.8 Nm or 5.3 to 7 in-lbs Step 4 Step 3 Step 2 Step 1 Littelfuse.com/microswitch © 2021 Littelfuse, Inc. Rev: 2-B-0928213 of 3