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  • Kidde | 15/75 cd Synchronized Fire Alarm Wall Strobe, Red with FIRE Marking, UL 1971 | 4MS-7AW
15/75 cd Synchronized Fire Alarm Wall Strobe, Red with FIRE Marking, UL 1971
Kidde Commercial

15/75 cd Synchronized Fire Alarm Wall Strobe, Red with FIRE Marking, UL 1971

SKU KD-4MS-7AW

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The Kidde 4MS-7AW is a 15/75 cd synchronized wall-mount fire alarm strobe for commercial notification circuits. Rated at 15 candela per UL 1971 with 75 candela on-axis per ADA/UL 1638, it delivers compliant visual notification coverage without oversizing the device for the space.

Built for the commercial fire installer

UL 1971 listed and ADA-compliant, this strobe drops into standard wall orientation with a red faceplate and clear FIRE marking visible down the corridor. Synchronized operation keeps multi-strobe circuits code-compliant by eliminating the flash-rate variance that triggers photosensitive seizure concerns. Red housing meets the standard fire alarm color convention for immediate visual identification.

Key features

  • 15/75 cd dual-rated output: 15 cd per UL 1971, 75 cd on-axis per ADA/UL 1638
  • Synchronized strobe operation for code-compliant multi-device notification circuits
  • Red wall-mount housing with clear FIRE marking for immediate identification
  • Standard NAC circuit wiring ties into existing fire alarm notification appliance circuits
  • Compact wall orientation with four-screw mounting pattern

Installation note

This is a strobe-only device (no audible). Pair with a compatible horn or horn-strobe if the application requires both audible and visual notification on the same circuit. Check local AHJ spacing requirements for candela coverage and mounting height.

Specifications

SKUKD-4MS-7AW
BrandKidde Commercial
Form factorWall-mount fire alarm strobe
Candela output15 cd (UL 1971) / 75 cd on-axis (ADA/UL 1638)
SynchronizationYes, synchronized
MountingWall orientation, four-screw pattern
Housing colorRed with FIRE marking
LensClear/White
AudibleNo (strobe only)
ComplianceUL 1971, ADA-compliant per UL 1638

Documents and resources

FAQs

Is this strobe ADA-compliant?
Yes. The 4MS-7AW produces 75 candela on-axis, meeting ADA visual notification requirements per UL 1638.
Does this strobe synchronize with other devices on the circuit?
Yes. The 4MS-7AW operates in synchronized mode, which is required by code when multiple strobes share a notification appliance circuit. Synchronization eliminates flash-rate variance that can pose photosensitive seizure risk.
Is this a wall or ceiling mount device?
Wall mount only. For ceiling-mount applications, check for the corresponding Kidde ceiling strobe model in the same product family.
Does this strobe include an audible (horn)?
No. This is a strobe-only notification appliance. If the application requires both audible and visual notification, pair it with a compatible Kidde horn or use a horn-strobe combination unit.
What does 15/75 cd mean?
15 cd is the spatial average per UL 1971, used for NFPA 72 spacing tables. 75 cd is the on-axis measurement (direct line of sight), meeting ADA requirements per UL 1638. Use the 15 cd figure for coverage calculations.
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