MV-LD-12-24DC Festo Illuminating Seal

Technical Overview

The Festo MV-LD-12-24DC is a high-quality transparent illuminating seal designed for solenoid valves, featuring an integrated LED switching position indicator. It is compatible with Type B electrical connections according to DIN EN 175301-803 (Square design MSV) and operates within a DC 12V to 24V voltage range. Built with a TPE-U(PU) housing, it ensures robust performance with IP65 protection and VDMA24364-B2-L LABS (PWIS) conformity, suitable for ambient temperatures ranging from -25 °C to 85 °C.

Key Features

Integrated LED switching position indicator
Square design MSV according to DIN EN 175301-803
IP65 degree of protection
LABS (PWIS) conformity to VDMA24364-B2-L
M3 central screw mounting
Wide ambient temperature tolerance
Includes protective conductor connection

Technical Specification Matrix

Parameter	Value
Switching position indicator	LED
Type of mounting	On solenoid valve via M3 central screw
Product weight	1.6 g
Electrical connection	Type B To DIN EN 175301-803 Square design MSV
Operational voltage range	DC 12 V ... 24 V
Protective conductor connection	Available
Nominal power illuminating seal	0.05 W
Degree of protection	IP65
Ambient temperature	-25 °C ... 85 °C
LABS (PWIS) conformity	VDMA24364-B2-L
Material housing	TPE-U(PU)
Colour	Transparent

Industrial Applications

1. Automotive Paint Booth Valve Diagnostics

Implementation of illuminating seals on solenoid valves controlling pneumatic atomizers and actuators within an automated automotive paint shop. The transparent TPE-U(PU) seal with integrated LED provides instant visual confirmation of the 24V DC valve actuation state directly at the manifold.

Problem Solved

Reduces troubleshooting downtime for pneumatic failures in automated lines while strictly adhering to paint-quality safety standards. Using this specific part prevents paint defects (craters) because it is certified free of paint-wetting impairment substances.

LABS (PWIS) conformity VDMA24364-B2-LLED Switching position indicatorDC 12 V ... 24 VTPE-U(PU) Material housing

2. Sub-Zero Food Packaging Automation

Deployment on DIN EN 175301-803 Type B solenoid valve connections for pneumatic packaging machinery located in deep-freeze food storage facilities. The indicator is securely mounted via an M3 central screw to provide reliable switching status in harsh, refrigerated environments.

Problem Solved

Eliminates the need for difficult manual multimeter probing of solenoid terminals by maintenance personnel in freezing conditions. The rugged design withstands extreme cold and protects against condensation or washdown water ingress during facility cleaning.

Ambient temperature -25 °C ... 85 °CDegree of protection IP65DIN EN 175301-803 Square design MSVOn solenoid valve via M3 central screw

3. Mobile Agricultural Boom Sprayer Control

Integration into the control manifolds of mobile agricultural sprayers, utilizing the tractor's standard onboard 12V or 24V DC battery system. The ultra-lightweight (1.6 g) and low-power (0.05 W) LED indicator provides real-time boom section valve visibility for operators in the field.

Problem Solved

Simplifies field maintenance and rapid visual diagnostic checks for agricultural valves subjected to outdoor dust, rain, and machine vibration. It natively supports standard mobile equipment voltages with negligible power draw and provides a crucial protective ground connection.

Operational voltage range DC 12 V ... 24 VNominal power 0.05 WProduct weight 1.6 gProtective conductor connection