Officially approved according WHG § 19 I for fresh and waste oil A III, for oil tanks
Level sensor type 76 A: Probe length 500 mm, Ø 16 mm Connection 3/4 "
Level controller type NB 220 QS: With the integrated alarm and receipt arrangement, alarm via the signal lamp and the alarm buzzer, acknowledgment of the alarm buzzer on the mute button (at the same time the signal light)
Other connection possibilities for external signaling devices
Plug housing, protection class IP 40, power supply AC 230 V ~, 50 H