Control and Indicating Units

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855T Control Tower™ Stack Lights

Transducer Style Sound Modules

UL Type 12, IP54. Volume is 80...103dB.

Voltage	Module Type	Tone	Black Housing Color
			Cat. No. ‡
24V AC/DC	Single Tone Transducer Style	Preset as Triangle Tone	855T-B24SA1
	Dual Tone Transducer Style	Preset as Triangle Tone/Continuous Tone	855T-B24TA1
240V AC	Single Tone Transducer Style	Preset as Triangle Tone	855T-B20SA1
	Dual Tone Transducer Style	Preset as Triangle Tone/Continuous Tone	855T-B20TA1

855T	–	B		24		SA1
		a		b		c

Transducer Style Single Tone/Single Circuit Sound Module (Black Housing) 24V AC/DC Full Voltage

a
Housing Color
Code	Description
B	Black
G	Grey

b
Voltage
Code	Description
12	12V AC/DC Full Voltage
24	24V AC/DC Full Voltage
10	120V AC Full Voltage
20	240V AC Full Voltage

c
Module Type
Code	Description
SA1	Single Tone Sound Module with 13 different tones ¬
TA1	Dual Tone sound Module with 15 sets of dual tone combinations T

¬ This module uses one circuit in a stack. It can be used with maximum of any four light modules and must be placed on top of stack.
T This module uses two circuits in a stack. It can be used with a maximum of any three light modules and must be placed on top of stack.
‡ Refer to configurator options for additional selections.