Motion sensor Grothe prof.240 AC 230V 500VA, ceiling/wall mounting, model 94534

Grothe prof.240 motion sensor (model 94534) is a wired passive infrared (PIR) detector for automatic switching of lighting and electrical loads. Designed for ceiling, wall and corner installation, the unit supports a universal mounting bracket and provides adjustable sensitivity and a one‑metre anti‑crawl protection. The sensor operates from 230 V AC (50 Hz) and is rated for outdoor use with IP55 protection; its compact black housing suits residential and commercial installations such as corridors, stairwells, entrances and utility rooms.

Advantages

The Grothe prof.240 combines reliable PIR detection with installation-friendly features: stepless sensitivity adjustment, selectable switch‑on time from 3 seconds up to 12 minutes, and a universal angle bracket for flexible ceiling, wall or corner mounting. It supports a wide range of lamp loads (incandescent up to 1000 W, energy‑saving lamps up to 500 VA, fluorescents up to 250 W, LED up to 150 W) while consuming 0.9 W standby power and providing a 240° detection angle with up to 12 m range.

Suitable for

• Automatic lighting in corridors and stairwells
• Entrances and building foyers
• Utility rooms, garages and storage areas
• Residential and commercial indoor/outdoor sheltered areas

Key specifications

• Model: Grothe prof.240, MPN 94534, EAN 4011459945343
• Sensor type: Passive infrared (PIR), wired
• Supply voltage: 230 V AC, 50 Hz
• Detection angle: 240° up to 12 m
• Switch‑on time: adjustable 3 s to 12 min
• Anti‑crawl protection radius: 1 m
• Load capacity: incandescent max. 1000 W; energy‑saving lamps max. 500 VA; fluorescent max. 250 W; LED max. 150 W
• Power consumption (standby): 0.9 W
• Protection rating: IP55 (suitable for outdoor use)
• Color: black

How to use

Mount the prof.240 sensor on the ceiling, wall or in a corner using the supplied universal bracket. Connect the device to the 230 V AC supply and wire the switched load according to applicable electrical standards. Adjust the detection sensitivity to the required level and set the desired switch‑on time between 3 seconds and 12 minutes. Test the sensor by walking through the monitored area and fine‑tune settings to ensure reliable detection within the intended coverage radius.

Usage recommendations

Install at recommended heights and angles for optimal 240°/12 m coverage and avoid pointing the sensor towards heat sources or large reflective surfaces. For outdoor or damp locations, ensure mounting maintains IP55 protection and comply with local electrical regulations during installation.