The 70 Series comprises a range of multifunction devices that allow monitoring of undervoltage and overvoltage, phase sequence and phase failure.

Features include (according to Type):

• Multifunctional types, providing the flexibility of monitoring Undervoltage, Overvoltage, Window Mode, Phase rotation, Phase loss, Asymmetry and Neutral loss
• Colored LEDs for clear & immediate visual indication
• Modular housing, 17.5 or 35 mm wide

The 72 Series comprises level control relays for conductive liquids.

Features include (according to Type):

• Sensitivity fixed or adjustable (5…150kΩ)
• 35mm rail (EN 60715) mount

The multifunctional current monitoring relay type 70.51 provides the flexibility of monitoring undercurrent, overcurrent and window mode, up to 16 A directly.

Other features:

• 1 CO relay output 10 A
• Positive safety logic
• All functions and values can be easily adjusted by the selector and trimmer on front face
• Colored LEDs for clear & immediate visual indication
• 35 mm rail (EN60715) mount

The thermistor temperature sensing relay Type 70.92 has 6 functions, 24 V AC/DC or 230 V AC supply, Selectable activation time (0.5 or 3 s) and Reset mode.

Other features:

• PTC VDE DIN 0660 part 303
• 35 mm rail (EN 60715) mount