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The 4WE6E6X/EW110N9DA/62SO43A-1768-1 CSA valve belongs to the WE Directional Spool Valves series produced by Bosch Rexroth for hydraulic automation circuits. It directs oil flow in NG6 manifolds and connects through the ISO 4401-03-02-0-05 interface, allowing quick replacement in modular stacks. The solenoid coil is rated for a nominal 110 V supply at 50 or 60 Hz, and a ±10 % voltage band prevents nuisance trips when plant power drifts. During energization the coil draws 220 VA, then drops to a 50 VA holding level to limit temperature rise; an H-class insulation system safely contains the remaining heat. A continuous 100 % duty cycle supports round-the-clock machine cycles, while a maximum switching frequency of two operations per second defines the response window for proportional commands. To protect internal clearances the hydraulic fluid must meet ISO 4406 cleanliness level 20/18/15.
For circuit performance the valve passes up to 60 l/min without exceeding its flow rating, and the pressure limits reach 350 bar on ports P, A, and B, with the T port relieved to 160 bar to safeguard the tank line. A concealed manual override gives the technician a way to shift the spool mechanically during commissioning or power loss without exposing moving parts. Accurate platen seating is aided by a locating hole fitted with a locking pin, identified by the /62 suffix. When the solenoid is de-energized the winding must withstand switch-off transients; a 500 V overvoltage ceiling prevents insulation stress in that moment. The valve body is sized as a 6-series component so it fits standard subplates, and the directional element retains full function as long as the fluid cleanliness and electrical limits described above are observed.
Cleanliness Class
ISO 4406 20/18/15
Duty Cycle
100% ED
Holding Power
50 VA
Insulation Class (ac)
H
Locating Hole
With Locking Pin (/62)
Manual Override
Concealed
Max Flow (ac)
60 l/min
Max Pressure P/a/b
350 bar
Max Pressure T (ac)
160 bar
Max Switch-off Overvoltage
500 V
Max Switching Frequency (ac)
2 1/s
Mounting Interface
ISO 4401-03-02-0-05
Nominal Voltage
110 V 50/60 Hz
Size
6 (NG6)
Switch-on Power
220 VA
Voltage Tolerance
±10%
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