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RS309-MF Series

● Rated Voltage: AC/DC700V(IEC), DC750V(UL)                  

● Rated Current: 5A～800A

● Protection: aR

● Breaking Capacity: AC100kA, DC50kA(time constant≤15ms)

● Conform to UL248 and IEC60269, safety and environmental reliability conform to ISO8820                    

● CE and UL certified, RoHS compliant

This fuse family adopts excellent anti-vibration and corrosion design that is suitable for various industries.  It can be used for EV traction system, power converter, energy storage, charger and other applications as short-circuit, overload and back-up protection. Safety compliant with UL/CSA standard.


RS309-MF Series

2YA
3SA
4SB
6TA
7TA
7TD
7TC
Model Current Arc Fuse Power Torque
RS309-MF-5A 5 1.5 10 1.5 Bolt M6, Torque 6±1 N.m
RS309-MF-10A 10 3.5 18 3.5 Bolt M6, Torque 6±1 N.m
RS309-MF-15A 15 10 72 5 Bolt M6, Torque 6±1 N.m
RS309-MF-20A 20 25 175 6 Bolt M6, Torque 6±1 N.m
RS309-MF-25A 25 42 330 7 Bolt M6, Torque 6±1 N.m
RS309-MF-30A 30 60 420 8 Bolt M6, Torque 6±1 N.m
Model Current Arc Fuse Power Torque
RS309-MF-35A 35 45 190 10 Bolt M8, Torque 12±1N.m
RS309-MF-40A 40 85 315 11 Bolt M8, Torque 12±1N.m
RS309-MF-45A 45 120 460 12 Bolt M8, Torque 12±1N.m
RS309-MF-50A 50 180 670 12.5 Bolt M8, Torque 12±1N.m
RS309-MF-60A 60 275 1020 14.5 Bolt M8, Torque 12±1N.m
Model Current Arc Fuse Power Torque
RS309-MF-70A 70 340 1760 18 Bolt M8, Torque 12±1N.m
RS309-MF-80A 80 430 2080 20 Bolt M8, Torque 12±1N.m
RS309-MF-90A 90 560 2550 23.5 Bolt M8, Torque 12±1N.m
RS309-MF-100A 100 690 3400 25 Bolt M8, Torque 12±1N.m
Model Current Arc Fuse Power Torque
RS309-MF-125A 125 2100 6800 28 Bolt M10, Torque 21±1N.m
RS309-MF-150A 150 3110 9900 32 Bolt M10, Torque 21±1N.m
RS309-MF-175A 175 4350 15900 36 Bolt M10, Torque 21±1N.m
RS309-MF-200A 200 6100 20500 42 Bolt M10, Torque 21±1N.m
Model Current Arc Fuse Power Torque
RS309-MF-225A 225 8500 29500 45 Bolt M10, Torque 21±1N.m
RS309-MF-250A 250 11900 39900 47.5 Bolt M10, Torque 21±1N.m
RS309-MF-275A 275 14500 48900 51 Bolt M10, Torque 21±1N.m
RS309-MF-300A 300 17500 58800 56 Bolt M10, Torque 21±1N.m
RS309-MF-325A 325 20500 73500 60 Bolt M10, Torque 21±1N.m
RS309-MF-350A 350 23700 86500 64 Bolt M10, Torque 21±1N.m
RS309-MF-400A 400 32000 105000 77 Bolt M10, Torque 21±1N.m
Model Current Arc Fuse Power Torque
RS309-MF-450A 450 41500 132000 95 Bolt M12, Torque 28±1N.m
RS309-MF-500A 500 56000 168000 105 Bolt M12, Torque 28±1N.m
RS309-MF-600A 600 76600 249000 120 Bolt M12, Torque 28±1N.m
Model Current Arc Fuse Power Torque
RS309-MF-700A 700 95700 325000 125 Bolt M12, Torque 28±1N.m
RS309-MF-800A 800 124000 428000 140 Bolt M12, Torque 28±1N.m







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Xi’an Sinofuse Electric Co., Ltd

3-10303 Modern Enterprise Center, Xi’an, Shaanxi, 710077, China
Tel: +86 29 68590655
Fax: +86 29 68590678
info@sinofuse.com
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