Product Description
Hengst WE-1SP-M12x1 Clogging Indicator (Differential Pressure Switch)
The Hengst WE-1SP-M12x1 (Material Number: R928028409) is a premium electrical clogging indicator and differential pressure switch designed for the reliable monitoring of hydraulic filtration systems. Formerly manufactured by Rexroth Filtration, this authentic German-made component ensures your hydraulic filters operate efficiently by alerting operators to pressure drops and potential filter clogging before system damage can occur. It features a single-pole change-over (C/O 1SP) contact, a standard M12x1 plug connector for seamless electrical integration, and comes supplied with a mounting clamp ring for secure installation. Built for industrial durability and precision, this indicator is an essential maintenance safeguard for demanding hydraulic applications.
Technical Specifications:
- Brand: Hengst (Formerly Rexroth Filtration)
- Model / Type: WE-1SP-M12x1
- Material Number (MNR): R928028409
- Device Type: Electrical Clogging Indicator / Differential Pressure Switch
- Contact Type: C/O 1SP (Change-over, single pole)
- Voltage Range: Max. 150 V DC/AC
- Contact Load: 1 A
- Switching Power: 20 W
- Connector: M12x1 plug connector (Pins 1(+), 4, 2, 3(-))
- Country of Origin: Made in Germany

Hengst WE-1SP-M12x1 Clogging Indicator (Differential Pressure Switch)
Protect your hydraulic systems with the original Hengst WE-1SP-M12x1 (R928028409) electrical clogging indicator. This high-quality, German-made differential pressure switch features a C/O 1SP contact, M12x1 connection, and 150V max voltage. Formerly Rexroth Filtration, it ensures reliable filter monitoring and optimal fluid power performance.






