The e2S eX Tool reset call points are approved for zone 1, 2, 21 and 22 hazardous areas for the control of re and gas alarm systems. available with and without monitoring resistors all versions are certified to aTeX and Iecex standards. The e2S call point range features enclosures manufactured from corrosion proof, marine grade, copper free Lm6 (a413) aluminium which is phosphate and powder coated.