O scale 1:48 dwarf signals & block signals made by Tomar and NJ International with operating LEDs.

 Two-aspect dwarf signal with separate red & green LEDs

Tomar O-852, 2-light dwarf yard signal, O scale Brass casting, painted black 2 LEDs - red and green Common anode (+) wiring Height: 1.1 inch (28mm) Current limiting resistors are not included   This signal can be operated in simple red-green mode with an Azatrax MRD1 or MRD8 infrared train detector. Click here for details.   Use this signal to show the position of a slow motion switch machine. Click here for an easy solution.

Tomar O-852 Tomar Industries photo

 Three-aspect block signals from NJ International

NJI 3403 dual D-type block signal, O scale Brass construction 3 LEDs in each head - green, yellow, red Common anode (+) wiring Height: 5.75 inches (14.6 cm) Current limiting resistors are attached   This double head signal can be operated by a TS3 or TS5 signal circuit.
NJI 3401 D-type block signal, 1:48 O scale Brass construction 3 LEDs - green, yellow, red Common anode (+) wiring Height: 4.3 inches (11 cm) Current limiting resistors are attached   This 3-light signal can be operated by a TS2 train signal circuit.
NJI 3071 modern house combo signal, 1:48 O scale Brass construction D-type signal head with snow shield 3 LEDs - green, yellow, red Common anode (+) wiring Current limiting resistors are attached   This 3-light signal can be operated by a TS2 train signal circuit.		NJI photo
NJI 3212 B&O color position signal, 1:48 O scale Brass construction 7 LEDs - 2 red, 2 yellow, 2 green, white marker Common anode (+) wiring Height: 6.25 inches (16 cm) Current limiting resistors are attached This B&O signal can be operated by a TS2 block signal circuit.

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