Bosch Rexroth | 4WE6D6XEW24NK4QMBG24
4WE6D6X/EW24NK4QMBG24
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The 4WE6D6X/EW24NK4QMBG24 directional spool valve belongs to the WE Directional Spool Valves series manufactured by Bosch Rexroth and directs hydraulic flow in automated systems. Its nominal size of 6 fits D03 manifolds, and adherence to the NFPA T3.5.1 D03 interface standard streamlines block design. The ISO 4401-03-02-0-05 porting pattern aligns pressure, tank, and work ports for straightforward plumbing. Because the installation position can be any orientation, designers can place the unit wherever space is available. Electrical power reaches the solenoid through a DIN EN 175301-803 K4 connector; this connector carries an IP65 rating and a protection class I ground path to keep moisture and debris from disturbing operation. There is no manual override, so actuation remains fully electrical. A monitored spool position designated "b" lets controllers confirm the commanded shift before releasing downstream motion.
The solenoid is designed for a 100 % duty cycle, allowing uninterrupted energization without overheating during extended production runs. Hydraulic supply pressure may reach 350 bar, giving adequate force capacity for high-load cylinders. Coil insulation tolerates surface temperatures up to 120 °C, so elevated ambient heat does not shorten service life. When power is removed, suppression circuitry limits switch-off overvoltage to 500 V, protecting driving electronics. Spool feedback is delivered by a QM inductive position switch that operates on a 24 V DC supply, providing contact-free state detection for safety interlocks. A mean time to dangerous failure of 300 years underlines the valve’s reliability in continuous automation duty. These characteristics make the 4WE6D6X/EW24NK4QMBG24 suitable for hydraulic installations that demand precise signaling, high pressure capability, and long service life.
Technical Specifications
Duty Cycle (ed)
100%
Electrical Connection
DIN EN 175301-803 (K4)
Installation Position
Any
Interface Standard
NFPA T3.5.1 D03
Ip Rating (k4 Connector)
IP65
Manual Override
N
Max Coil Surface Temperature
120 °C
Max Operating Pressure
350 bar
Max Switch-off Overvoltage
500 V
Monitored Spool Position
b
Mttfd
300 years
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05
Position Switch Supply
24 V DC
Position Switch Type
QM (Inductive)
Protection Class (k4 Connector)
I
1620 Old Apex Road
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