For 3-pole switches. Contacts the outer terminals (400 V). To be completed with: Rocker switch insert 311300. Off switch, 3-pole AQUASTAR MEG3644-80.. Heating emergency switch, off, 3-pole with control light AQUASTAR MEG3643-80.. Rocker control switch IMPACT-RESISTANT 372375. Scope of delivery: 1 PU = 1 piece. With glow lamp. Version: AC 400 V, 1.25 mA.