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The Z4WE6E68-3X/EW110K4QMAG24 spool valve in the Z4WE Solenoid Actuation Spool Valves series is produced by Bosch Rexroth to route hydraulic flow in automated machinery. It is manufactured in nominal size 6 and mounts on an ISO 4401-03-02-0-05 subplate for easy manifold integration. Ports P, A, and B tolerate operating pressures to 315 bar, while port T is limited to 160 bar. The flow path handles up to 50 l/min without excessive pressure drop. An AC solenoid rated at 110 V for both 50 and 60 Hz provides actuation; the coil draws 0.52 A at 50 Hz and 0.39 A at 60 Hz. Switch-on power reaches 220 VA, after which holding power falls to 50 VA to limit heat rise during sustained energization.
Spool position a is monitored so the control system can confirm correct shifting. Field wiring is completed through a DIN EN 175301-803 type K4 connector, and the housing carries an IP65 rating under EN 60529 for resistance to dust and low-pressure water jets. Continuous operation is supported by a 100 % duty cycle, eliminating the need for cool-down intervals. Hydraulic fluid must meet ISO 4406 class 20/18/15 cleanliness to maintain spool reliability. The mean time to dangerous failure (Mttfd) is specified at 150 years, reflecting a low probability of hazardous malfunction over extended service. These characteristics permit dependable use in precise hydraulic automation where electrical feedback and environmental protection are required.
Cleanliness Class
ISO 4406 (c) 20/18/15
Duty Cycle
100% (ED)
Electrical Connection
DIN EN 175301-803 (K4)
Holding Power
50 VA
Max Operating Pressure (p, A, B)
315 bar
Maximum Flow
50 l/min
Monitored Spool Position
a
Mounting Interface
ISO 4401-03-02-0-05
Mttfd
150 years
Nominal Size
6
Nominal Voltage (solenoid)
110 V AC (50/60 Hz)
Port T Max Pressure (ac)
160 bar
Protection Class
IP65 (EN 60529)
Rated Current (110 V 50 Hz)
0.52 A
Rated Current (110 V 60 Hz)
0.39 A
Switch-on Power
220 VA
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