Werma 450 LED/Buzzer Combination Catalog Page

450 LED/Buzzer Combination

with acknowledgement function

Patent

approved

• LED permanent light with
additional continuous tone

• Silence the audible signal by
lightly pressing the frontal area

TECHNICAL SPECIFICATIONS:

• Potential-free output for trans­mission of the acknowledgement
signal to the control unit

• Positive and negative logic

Life duration

up to 50,000 hrs

Dimensions (Diameter x Height): 50 mm x 22 mm (Protrusion from panel)
Housing: PC/ABS-Blend
Lens: PC, transparent
Connection: Screw terminal max. 0.5 mm

2

Signal input: 24 V DC
Acknowledgement output: Semiconductor-Relay U

I
R

= 30 V

max

= 100 mA

max

= 25 Ohm

ON max

Tone type: Continuous
Tone frequency: C. 2.8 kHz
Duty cycle: 100 %
Fixing: Installation mounting for Ø 22,5 mm (M22 x 1.5 mm)

with anti-twist device

Nut and seal included in assembly.

The audible signal can be turned

off in seconds by lightly pressing the

front of the product

ORDER SPECIFICATIONS:

Voltage 24 V DC
Current consumption 40-80 mA
red 450 100 55
yellow 450 300 55

ADDITIONAL INFORMATION:

1 2 3

The occurrence of a
malfunction or an error is
indicated by means of an
optical-audible signal.

The audible signal can
be turned off in seconds
by lightly pressing the front of
the product.

TECHNICAL DIAGRAMS:

see page 306

The acknowledgement signal is sent
to the control unit via an electronic
switch and the malfunction is now
only indicated by the optical
signal.

Optical-Audible

Signal Devices

See note
on page 347

35 g

IP 65

+50°C

-20°C

80 dB

PLC

219