SPECIFICATION SUBMITTAL Page
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Dual Technology Sensor Switch
369773f 1 09.23.19
Maestro Sensor
The Maestro dual technology (dual tech) occupancy sensor switch applies
our exclusive XCT Technology to the ultrasonic as well as the passive infrared
technology in this sensor to create a product that can detect very fine
motion, such as typing. This product also includes all of the great features
found in the rest of the Maestro sensor family, including: adaptive relay
switching, smart ambient light detection, and simple button presses for
changing settings. The Maestro dual tech occupancy sensor switch is
available in single-circuit and dual-circuit versions.
The single-circuit versions (MS-A102, MS-B102) can be used to meet many
of the Title 20/24, ASHRAE 90.1, and IECC code requirements such as
“automatic shutoff”. The dual-circuit versions (MS-A202, MS-B202) can be
used to meet many of the Title 20/24, ASHRAE 90.1, and IECC code
requirements such as “automatic shutoff” and “multi-level lighting control”.
To find some examples of code-specific applications, visit
www.lutron.com/energycodes
Features
• XCT Technology for major, minor, fine, and very fine motion detection
• 180° sensor field-of-view
• Tamper-resistant PIR lens
• Up to 900 ft
2
(81 m
2
) major motion coverage and 400ft
2
(36m
2
) minor
motion coverage
• Two Ambient Light Detect (ALD) options:
– Learning ALD Mode:
Uses adaptive algorithm.
Sensor learns user’s preferred light level over time.
– Fixed ALD mode:
Four selectable light level thresholds: Hi, Med, Low, Min
• Occupancy models (MS-A102-XX, MS-B102-XX, MS-A202-XX,
MS-B202-XX) can be set to Auto-ON / Auto-OFF or Manual-ON / Auto-OFF
per circuit
• Dual-circuit model (MS-A202) meet Title 24 requirements for multi-level
lighting control.
• Single-circuit “Vacancy” model (MS-A102-V-XX, MS-B102-V-XX) available to
meet Title 24 / Title 20 requirements for vacancy sensors.
• Adjustable timeout for each circuit (1, 5, 15, or 30minutes)
• Sensitivity adjustment
- PIR (Hi, Med, Low, Min)
- Ultrasonic (Hi, Med, Low, Off)
• Switches all lighting loads: incandescent, halogen, ELV, MLV, CFL, LED,
magnetic fluorescent, electronic fluorescent
• Switches fan loads at 120 V~
• MS-B102, MS-B102-V work with Maestro accessory switches in
multi-location applications
• MS-A models DO NOT require neutral wiring, while the MS-B models DO
require neutral wiring.
Notes:
• “XX” in the model number represents
color/finish code. See Colors and
Finishes at end of document.
• Wallplate not included.
MS-A102-XX (Occupancy model)
MS-A102-V-XX (Vacancy model)
MS-B102-XX (Occupancy model)
MS-B102-V-XX (Vacancy model)
Maestro Dual Technology Sensor Switch
MS-A202-XX (Occupancy model)
MS-B202-XX (Occupancy model)