S421T NKK Switches, S421T Datasheet
S421T
Specifications of S421T
S421T-RO
Related parts for S421T
S421T Summary of contents
Page 1
... Mounting Torque: Soldering Time & Temperature: Standards & Certifications UL: CSA: A102 Medium/High Capacity Standard Size Toggles Shown in the following tables 10 milliohms maximum 1,000 megohms minimum @ 500V DC 2,000V AC minimum for 1 minute minimum 50,000 operations minimum 6,000 operations minimum for S331F; 15,000 operations minimum for all other S331s; ...
Page 2
... Medium/High Capacity Standard Size Toggles *Approvals Pole & Model Throw S301 SPST ON S302 SPDT ON S303 SPDT ON S305 –– –– SPDT ON S308 –– –– SPDT (ON) S309 –– –– SPDT ON Throw & INTERNAL CONNECTION Schematics: SPST 1 3 Notes: Standard Hardware: AT503M Face Hex Nut, AT506M Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section. ...
Page 3
... Notes: Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section. * See General Specifications page for approval marking. * Wire harness & cable assemblies offered only in Americas. Keyway (9.0) .354 S331R A104 Medium/High Capacity Standard Size Toggles Toggle Position/Connected Terminals ( ) = Momentary Down Center Up Keyway ON 1-3 4-6 ...
Page 4
... Medium/High Capacity Standard Size Toggles *Approvals Pole & Model Throw S301T SPST ON S302T SPDT ON S303T SPDT ON S305T –– –– SPDT ON S308T –– –– SPDT (ON) S309T –– –– SPDT ON Throw & SPST INTERNAL CONNECTION Schematics Notes: Standard Hardware: AT503M Face Hex Nut, AT506M Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section. ...
Page 5
... Optional Splashproof Boot Assemblies: AT401 & AT4181 boots plus hex nut & o-ring. See Accessories & Hardware section. * See General Specifications page for approval marking. Keyway (19.0) .748 S332F A106 Medium/High Capacity Standard Size Toggles SINGLE POLE WITH QUICK CONNECT Toggle Position/Connected Terminals Down Center Up Keyway ...
Page 6
... Medium/High Capacity Standard Size Toggles GENERAL SPECIFICATIONS FOR S31 ~ S49 Electrical Capacity (Resistive & Inductive Load) Power Level: Shown in the following tables Other Ratings Contact Resistance: 10 milliohms maximum Insulation Resistance: 1,000 megohms minimum @ 500V DC Dielectric Strength: 2,000V AC minimum for 1 minute minimum ...
Page 7
... Optional Splashproof Boot Assemblies (only for bat lever models): AT401 & AT4181 boots plus hex nut and o-ring. See Accessories & Hardware section. * Wire harness & cable assemblies offered only in Americas. Keyway (9.0) .354 S42R Bat lever dimensions are same as on S30 models above. A108 Medium/High Capacity Standard Size Toggles THREE POLE WITH SOLDER LUG Toggle Position/Connected Terminals ( ) = Momentary Down Center Up Keyway ON ...
Page 8
... Medium/High Capacity Standard Size Toggles *See Supplement section for CSA detail & General Specs. page for approval marks *Approvals Pole & Model Throw S31T 3PST ON S32T 3PDT ON S33T 3PDT ON 3PST Throw & Schematics Notes: Standard Hardware: AT503M Face Hex Nut, AT506M Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section. ...
Page 9
... Notes: Standard Hardware: AT503M Face Hex Nut, AT506M Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section. Optional Splashproof Boot Assemblies: AT401 & AT4181 boots plus hex nut & o-ring. See Accessories & Hardware section. Keyway (36.5) 1.437 S42F A110 Medium/High Capacity Standard Size Toggles THREE POLE WITH QUICK CONNECT Toggle Position/Connected Terminals Down Center Up Keyway ...
Page 10
... Medium/High Capacity Standard Size Toggles GENERAL SPECIFICATIONS FOR S421 ~ S429 Electrical Capacity (Resistive & Inductive Load) Power Level: Other Ratings Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Angle of Throw (α): Materials & Finishes Toggle: Bushing: Case: Case Cover: ...
Page 11
... Note: Terminal numbers are on the switch (33.2) 1.307 Maximum Panel Thickness: S421T does not have terminals 2 & 5 .185” (4.7mm) α = Angle of Throw 24° 24° 28° 24° 24° 24° (12.5) Dia .492 (9.0) .354 (3.0) Dia .118 α = Angle of Throw 24° ...