NOHMI BOSAI FDKU026-D-X Photoelectric Smoke Detector

Made in Japan
Manufacturer: NOHMI BOSAI
Model: FDKU026-D-X

Features of FDKU026-D-X

Low profile design (28.7mm/1.13-inch height) for discreet installation.
Wide alarm set-point range of 3.4 to 11.6%/m (1.05 to 3.69%/foot) ensures effective detection.
True analog smoke detection for precise monitoring.
UL-listed for smoke calibration and sensitivity, providing reliable performance.
Simplified address setting without mechanical switches for faster installation.
360° LED viewing for improved visibility from all angles.

The FDKU026-D-X Photoelectric Smoke Detector offers advanced smoke detection compatible with fire alarm control panels from the Integlex Multicrest series. Made from durable eggshell white plastic, this detector blends seamlessly with most ceiling designs.Using Nohmi’s state-of-the-art circuit integration technology, the FDKU026-D-X features a simplified structure and enhanced performance. The detector supports an adjustable alarm set-point range of 3.4 to 11.6%/m (1.05 to 3.69% per foot), complying with UL listings. Its built-in drift compensation and dirty detector warning improve long-term reliability and reduce maintenance needs.The FDKU026-D-X communicates over a robust digital network, delivering alarm responses with a polling speed of under five seconds—exceeding UL standards for speed. Two integrated LEDs provide 360° visibility, ensuring you can monitor the detector from any direction.Compatible with multiple Nohmi bases, this detector is easy to install, requiring just a simple twist to attach. The address setup uses either a hand-held programmer or the control panel, streamlining the installation process.

No.	Item	Specification
1	Working voltage range	22.0 to 24.0 V
2	Standby current	250 µA
3	Alarm indicator	2 LEDs
4	Alarm indicator current	1.5 mA D.C
5	Alarm set-point range	3.4 to 11.6 %/m (1.05 to 3.69 %/foot)
6	Installation temperature range	0°C to 49°C (32°F to 120°F)
7	Operating relative humidity range	0% to 93% (Non-condensing)
8	Start-up time	Max. 1 sec
9	Color	Eggshell White
10	Weight (without base)	75g (2.65 oz)
11	Dimensions (without base)	Height: 28.7mm (1.13 inch) Diameter: 99mm (4.0 inches)

No.	Device	Description
1	FZBU004-AB4	4 inches Standard Base
2	FZBU003-AB6	6 inches Standard Base
3	FZBU013-2Z	4 inches Standard Base, 2 terminals (without remote indication circuit)
4	FZBU013-4Z	4 inches Standard Base, 4 terminals
5	FZBU005-AIB	6 inches base that has an isolator module included. The base is pre-wired with a pluggable jumper to the module.
6	FZBU005-ARB	6 inches base that includes a dual relay module. One relay is rated for 8 amps at 240 VAC/30 VDC and the second is rated for 2 amps at 240 VAC/30 VDC. The base is pre-wired with a pluggable jumper to the module.
7	FZBU005-ASB	6 inches base with sounder module included. Sound pattern is provided from external source. The base is pre-wired with a pluggable jumper into the module.