MF-S Series (Standard) 15-30 Volts
Axial Leaded Strap 1.20-4.20 Amps Hold Current
MF-LR Series (Low Resistance) 10-16 Volts
Axial Leaded Strap 1.90-6.00 Amps Hold Current
MF-LS Series (Lower Trip Temperature) 15-24 Volts
Axial Leaded Strap 0.7-3.4 Amps Hold Current
MF-VSN Series (Low Resistance Narrow) 12 Volts
Axial Leaded Strap 1.7-2.1 Amps Hold Current
MF-SVS Series (Lowest Available Resistance) 10 Volts
Axial Leaded Strap 1.7-2.3 Amps Hold Current
MF-VS Series (Low Resistance & Low Temp.) 16 Volts
Axial Leaded Strap 1.7-2.4 Amps Hold Current Initial 1 Hour (R1)
Resistance Post-Trip Dimensions
Ihold Resistance mm/(in)
Model Amperes V max. I max. Ohms at 23 °C Style
at 23 °C Volts Amps Min. Max. A Max. B Max. C Max.
MF-LS070 0.7 15 100 0.100 0.340 22.1 5.2 1.2 Std.
(0.870) (0.205) (0.047)
MF-LS070S 0.7 15 100 0.100 0.340 22.1 5.2 1.2 S
(0.870) (0.205) (0.047)
MF-LS100S 1.0 24 100 0.070 0.260 23.1 5.2 1.0 S
(0.909) (0.205) (0.039)
MF-LS180 1.8 24 100 0.040 0.120 26.0 5.2 1.0 Std.
(1.024) (0.205) (0.039)
MF-LS180L 1.8 24 100 0.040 0.120 37.5 5.6 1.0 Std.
(1.48) (0.22) (0.039)
MF-LS180S 1.8 24 100 0.040 0.120 26.0 5.2 1.0 S
(1.024) (0.205) (0.039)
MF-LS190 1.9 24 100 0.030 0.100 23.4 11.0 1.1 Std.
(0.921) (0.433) (0.043)
MF-LS190RU 1.9 15 100 0.030 0.100 20.8 14.3 0.76 RU
(0.819) (0.563) (0.030)
MF-LS260 2.6 24 100 0.025 0.076 26.0 11.9 1.0 Std.
(1.024) (0.469) (0.039)
MF-LS300 3.0 24 100 0.015 0.055 31.8 13.5 1.1 Std.
(1.252) (0.531) (0.043)
MF-LS340 3.4 24 100 0.016 0.050 26.0 15.9 1.0 Std.
(1.024) (0.626) (0.039)
Initial 1 Hour (R1)
Resistance Post-Trip Dimensions
Ihold Resistance mm/(in)
Model Amperes V max. I max. Ohms at 23 °C Style
at 23 °C Volts Amps Min. Max. A Max. B Max. C Max.
MF-S120 1.20 15 100 0.085 0.220 22.1 5.2 1.0 Std.
(0.870) (0.205) (0.039)
MF-S120S 1.20 15 100 0.085 0.220 22.1 5.2 1.0 S
(0.870) (0.205) (0.039)
MF-S150 1.50 15 100 0.050 0.110 23.4 11.0 1.1 Std.
(0.921) (0.433) (0.043)
MF-S175 1.75 15 100 0.050 0.120 23.1 5.2 1.0 Std.
(0.909) (0.205) (0.039)
MF-S175S 1.75 15 100 0.050 0.120 23.1 5.2 1.0 S
(0.909) (0.205) (0.039)
MF-S200 2.00 30 100 0.030 0.080 23.4 11.0 1.1 Std.
(0.921) (0.433) (0.043)
MF-S350 3.50 30 100 0.017 0.040 31.8 13.5 1.1 Std.
(1.252) (0.531) (0.043)
MF-S420 4.20 30 100 0.012 0.040 32.4 13.6 1.1 Std.
(1.276) (0.535) (0.043)
Initial 1 Hour (R1)
Resistance Post-Trip Dimensions
Ihold Resistance mm/(in)
Model Amperes V max. I max. Ohms at 23 °C Style
at 23 °C Volts Amps Min. Max. A Max. B Max. C Max.
MF-VS170N 1.7 12 100 0.030 0.105 24.0 3.9 0.9 Std.
(0.945) (0.154) (0.035)
MF-VS175NL 1.75 12 100 0.029 0.102 28.0 3.9 0.9 Std.
(1.102) (0.154) (0.035)
MF-VS210N 2.1 12 100 0.018 0.060 32.0 3.9 0.9 Std.
(1.260) (0.154) (0.035)
Initial 1 Hour (R1)
Resistance Post-Trip Dimensions
Ihold Resistance mm/(in)
Model Amperes V max. I max. Ohms at 23 °C Style
at 23 °C Volts Amps Min. Max. A Max. B Max. C Max.
MF-LR190 1.90 15 100 0.039 0.102 22.1 5.2 1.0 Std.
(0.870) (0.205) (0.039)
MF-LR190S 1.90 15 100 0.039 0.102 22.1 5.2 1.0 S
(0.870) (0.205) (0.039)
MF-LR260 2.60 15 100 0.020 0.063 23.1 5.2 1.0 Std.
(0.909) (0.205) (0.039)
MF-LR260S 2.60 15 100 0.020 0.063 23.1 5.2 1.0 S
(0.909) (0.205) (0.039)
MF-LR380 3.80 15 100 0.013 0.037 26.0 7.5 1.0 Std.
(1.024) (0.295) (0.039)
MF-LR450 4.50 16 100 0.011 0.028 26.0 10.5 1.0 Std.
(1.024) (0.414) (0.039)
MF-LR550 5.50 10 100 0.009 0.022 37.0 7.5 1.0 Std.
(1.457) (0.295) (0.039)
MF-LR600 6.00 10 100 0.007 0.016 26.0 14.5 1.0 Std.
(1.024) (0.571) (0.039)
Initial 1 Hour (R1)
Resistance Post-Trip Dimensions
Ihold Resistance mm/(in)
Model Amperes V max. I max. Ohms at 23 °C Style
at 23 °C Volts Amps Min. Max. A Max. B Max. C Max.
MF-SVS170 1.7 10 100 0.018 0.064 18.0 5.5 0.9 Std.
(0.709) (0.216) (0.035)
MF-SVS170N 1.7 10 100 0.018 0.064 24.0 3.9 0.9 Std.
(0.945) (0.153) (0.035)
MF-SVS175 1.75 10 100 0.017 0.060 18.0 5.5 0.9 Std.
(0.709) (0.216) (0.035)
MF-SVS175N 1.75 10 100 0.017 0.060 24.0 3.9 0.9 Std.
(0.945) (0.153) (0.035)
MF-SVS175NL 1.75 10 100 0.017 0.060 28.0 3.9 0.9 Std.
(1.102) (0.153) (0.035)
MF-SVS210 2.1 10 100 0.010 0.040 23.1 5.5 0.9 Std.
(0.909) (0.216) (0.035)
MF-SVS210N 2.1 10 100 0.010 0.040 32.0 3.9 0.9 Std.
(1.260) (0.153) (0.035)
MF-SVS230 2.3 10 100 0.010 0.036 23.1 5.5 0.9 Std.
(0.909) (0.216) (0.035)
MF-SVS230N 2.3 10 100 0.010 0.036 32.0 3.9 0.9 Std.
(1.260) (0.153) (0.035)
Initial 1 Hour (R1)
Resistance Post-Trip Dimensions
Ihold Resistance mm/(in)
Model Amperes V max. I max. Ohms at 23 °C Style
at 23 °C Volts Amps Min. Max. A Max. B Max. C Max.
MF-VS170 1.7 16 100 0.030 0.105 18.0 5.5 0.9 Std.
(0.709) (0.217) (0.035)
MF-VS170S 1.7 16 100 0.030 0.105 18.0 5.5 0.9 S
(0.709) (0.217) (0.035)
MF-VS210 2.1 16 100 0.018 0.060 23.1 5.5 0.9 Std.
(0.909) (0.217) (0.035)
MF-VS210L 2.1 16 100 0.018 0.060 26.5 5.5 0.9 Std.
(1.043) (0.217) (0.035)
MF-VS210S 2.1 16 100 0.018 0.060 23.1 5.5 0.9 S
(0.909) (0.217) (0.035)
MF-VS240 2.4 16 100 0.014 0.052 26.2 5.5 0.9 Std.
(1.031) (0.217) (0.035)
MF-VS240S 2.4 16 100 0.014 0.052 26.2 5.5 0.9 S
(1.031) (0.217) (0.035)