Product range |
Float switch |
Degree of Protection |
IP65 |
Notes |
Lever can be turned to reverse contact effect 1 insulated protective conductor terminal 1 insulated N terminal Impact-resistant shroud, green 2 cable entry knockouts for M20, without cable gland IP65 in conjunction with V-M20 cable gland Wall mounting bracket Can be mounted in any position |
Standards |
For use as a motor load switch for: | | Three-phase current AC-3 | Single-phase current | |
|
| | | | | Direct current DC | For use as control switch: | |
|
| | Parts: Float, operating rod, and wire rope sleeve made of especially resistant plastic. | | Resistant to: - Tap water, river water, salt water: Max. 100 °C
- Deionized water: Max. 100 °C
- Brine: Max. 100 °C
- Acids (10%): Max. 40 °C
- Bases (10%): Max. 40 °C
| | Operation: Minimum operation at lever: 24 mm | |
|
Operating frequency [Operations/h] |
IEC/EN 60947-4-1 |
Ambient temperature |
≦ 1500 |
Degree of Protection |
-25 - 70 |
Mounting position |
IP65 |
Mechanical shock resistance to IEC 60068-2-27 [Half-sinusoidal shock 20 ms] |
As required |
Vibration resistance acc. to IEC/EN 60068-2-6 [Amplitude 1 mm] |
> 10 g |
lifespan [Operations ] |
36 Hz |
Terminal capacities >Solid |
0.5 x 106
|
Terminal capacities >Flexible with ferrules to DIN 46228 |
1 x (0.75 - 2.5) 2 x (0.75 - 1.5) mm2 |
Terminations |
1 x (0.5 - 1.5) 2 x (0.5 - 1.5) mm2 |
Terminal screw |
Flat terminal with clamping washer |
Tightening torque of terminal screw |
M4 |
Rated impulse withstand voltage [Uimp] |
1.2 Nm |
Rated insulation voltage [Ui
] |
4000 V AC |
Overvoltage category/pollution degree |
400 V |
Max. short-circuit protective device >Fuseless |
III/3 |
Max. short-circuit protective device >Fuse [gG/gL] |
PKZM0-20 Type |
Type of coordination |
20 A |
Rated short-circuit current [Iq (= Current r)] |
1 |
AC-3 >Rated operational current >230 V |
1 kA |
AC-3 >Rated operational current >400 V |
15 A |
AC-3 >Rated power P >230 V |
11.5 A |
AC-3 >Rated power P >400 V |
4 kW |
Rated frequency [f] |
5.5 kW |
Operating ambient temperature min. |
50 Hz |
Operating ambient temperature max. |
-25 °C |
Suitable for potable water |
+70 °C |
Suitable for rainwater |
Yes |
Suitable for cooling water |
Yes |
Suitable for faeces |
Yes |
Suitable for domestic wastewater |
Yes |
Suitable for condensate |
Yes |
Suitable for glycol |
Yes |
Measuring range |
Yes |
Readable |
mm |
With display |
No |
Adjustable differential gap |
No |
Differential range/switch hysteresis |
No |
Immersing depth |
mm |
Mounting method, vertical |
mm |
Mounting method, horizontal |
Yes |
Sensor/feeler type |
Yes |
Mounting method |
|
Float material |
Suspended above the pit |
Float diameter |
Plastic |
Connection |
mm |
Thread size |
Other |
Max. contact voltage |
Other |
Max. contact load |
230 V |
Max. medium temperature (continuous) |
15 A |
Min. specific density of liquid |
°C |
Max. operating pressure |
kg/m³ |
Degree of protection (IP) |
bar |
Degree of protection (NEMA) |
IP55 |
Explosion-proof |
Other |