Description Product description Float switches are switching devices operated by a float moved by fluid. They are used to control the tank fluid levels in small power units type ABSKG ... NG10; 20; 40 and 60. The sliding tubes contain two fixedly set reed contacts (normally closed contact and normally open contact) that are switched by the permanent magnets installed in the float. Fixedly set temperature contacts (option) are fitted to monitor the max. hydraulic fluid temperature. Function of level switch When the float reaches the switching points while the oil level is falling, the contacts are operated magnetically. The switching positions of the contacts are maintained until the float passes the switching points again due to a rising oil level. Switching point L1 is a normally closed contact, the contact function of switching point L2 is optionally a normally closed or normally open contact. Level switch function When the float reaches the switching points while the oil level is falling, the contacts are operated magnetically. The switching positions of the contacts are maintained until the float passes the switching points again due to a rising oil level. Switching point L1 is a normally closed contact, the contact function of switching point L2 is optionally a normally closed or normally open contact. Temperature contact function A bimetal plate, which is influenced by temperature, switches when a firmly set response temperature is reached. The temperature contact is not suitable for temperature controlling, but merely for a shutdown function. Type code Ordering code 01 02 03 04 05 06 07 08 09 10 ABZM S ‒ 35 ‒ 1X / F ‒ ‒ V Power unit accessories 01 Measuring devices ABZM 02 Float switches S 03 Version 35 04 Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions) 1X Minimum contact 05 Switching point L1 in mm … 06 Normally closed contact F Maximum contact 07 Switching point L2 in mm … 08 Normally closed contact F Normally open contact S Temperature contact 09 Without switching contact no code Switching contact normally closed contact at 63 °C T63F 1) Switching contact normally closed contact at 70 °C T70F Switching contact normally closed contact at 80 °C T80F 1) Electrical connection 2) 10 Connector, 4-pole M12 x 1 K24 Connector 4-pole (3 + PE) DIN EN 175301-803 (float switch without temperature contact) K14 Connector 7-pole (6 + PE) DIN EN 175201-804 (float switch without temperature contact) K6 1) Only upon request 2) The mating connectors are not included in the scope of delivery and must be ordered separately, if required (see R.08006) Order example: Float switch with connection thread M20 x 1.5, with 2 fixedly set switching contacts, switching point L1 = 90 mm normally closed contact, switching point L2 = 30 mm normally open contact, connector K24 for mating connector Z24 (M12 x 1): ABZMS-35-1X/090F030S-K24 Technical data Resistance Hydraulic fluids Mineral oils Mineral oil HLP according to DIN 51524 Re
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