SFE-N7 & SFE-N8 & SFE-N9 & SFE-N10 - SFE FLAME-PROOF CONTROL SWITCH SFE FLAME-PROOF CONTROL SWITCH SFE-N7 (d2 G4) SFE-N8 (d2 G4) SFE-N9 (d2 G4) SFE-N10 (d2 G4) SFE-N7 (d2 G4) Flame-Proof Control Box Push Button SFE-N8 (d2 G4) Flame-Proof Magnet and button switch a. Push Button b. Magnet SFE-N9 (d2 G4) Flame-Proof Tumbler switch Box Selector Switch SFE-N10 (d2 G4) EPB-MPB2 Unit Combination Flame-Proof Tumbler Switch Box Selector Switch