DISCONTINUED - Tek-Tone SF339 Emergency Switch Nurse Call System

  • Model: SF339
  • Manufactured by: Tek-Tone



• UL® 1069 Listed
• Simple and flexible operation
• Call-placed indicator
• Call cancel at point of origin
• Flame-retardant (UL® 94V-0) plastic faceplate
• 0.9" diameter (23 mm) red mushroom-style button


The SF339 Emergency Switch includes a locking mushroomstyle
switch, and is for use in any location where activation of
an emergency signal is required. All electronic components
are mounted on a circuit board, including a reliable industryproven
DPDT switch for circuit initiation. The DPDT switch
and the indicator LED are completely sealed in plastic.
The SF339 may be used as an emergency switch or as a
staff-assist emergency call switch. The large mushroomstyle
button is easily activated, so that calls may be placed
using an elbow, shoulder, etc., when using the hands is
inconvenient or inappropriate. Calls are cancelled by turning
the mushroom-style button clockwise.
Dome light indication and system annunciation vary
according to the manner in which the SF339 is installed.


Dimensions: Height: 4.5" (114.3 mm)

Width: 2.8125" (71.4 mm)

Depth: 1" (25.4 mm)

Projects: 1" (25.4 mm)

Construction: Flame-retardant (UL® 94V-0) plastic
faceplate. DPDT switch and electronic
components are circuit board mounted.
Connections: Plug-in connectors.

Housing: Single gang ring (IH357) with square back

box (IH358) or exact equal.


UL® 1069 listed; UL® File Number E71599.

Applicable Systems

Tek-CARE®400 P5 Nurse Call System
Tek-CARE®NC300II Nurse Call System
Tek-CARE® NC200, NC150, NC110 Nurse Call Systems
Tek-CARE®500 Wireless Emergency Call System

This product was added to our catalog on Monday 02 June, 2014.

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