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Semaphore Contact Indicators

This document provides technical specifications for contact position indicators used to remotely indicate the position of contacts in power plants and switching stations. It describes three models with front dimensions of 25x25mm, 25mm diameter, and 32mm diameter. Each model has an IP52 rating, round nut fasteners, and can display "On", "Off", or "Error". Ordering information is listed, including available voltages, movement and scale variants, and housing protection options. Dimensional drawings and application diagrams are also included.

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Ashish Jain
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923 views2 pages

Semaphore Contact Indicators

This document provides technical specifications for contact position indicators used to remotely indicate the position of contacts in power plants and switching stations. It describes three models with front dimensions of 25x25mm, 25mm diameter, and 32mm diameter. Each model has an IP52 rating, round nut fasteners, and can display "On", "Off", or "Error". Ordering information is listed, including available voltages, movement and scale variants, and housing protection options. Dimensional drawings and application diagrams are also included.

Uploaded by

Ashish Jain
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Contact Position Indicators for Direct Voltage

or Alternating Voltage 45 ... 65 Hz

Technical Data

Glossy Black Bezel


Front Dimensions

25 x 25

32 mm Dia. 1)

25 mm Dia.

Type

Stq 1

St 1

St 2

Weight in kg, Approx.

0.07

0.07

0.07

Nominal Insulation Voltage

250V

250V

250V

Test Voltage

1.5 kV

1.5 kV

1.5 kV

Front Housing-Panel Protection


Fasteners

IP 52

IP 52

IP 52

round nut

round nut

round nut

1) Snap on bezel included (36 x 36 mm)

Description
Contact Position Indicator for Remote Indication of Contact Positions at Power Plants and Switching Stations
Can also be used advantageously as a target indicator in mimic diagrams.

Display
Three different displays are included: On, Off and Error or Disabled.

Mechanical Design
Housing Material

Polycarbonate, self-extinguishing per UL 94 V-2

Terminals

Tab connectors, 2.8x0.8 mm

Contact Protection

Available as option

Dimensional Drawing no. 1323A16

Dimensions
97.5 0.5
94 0.3

5
Panel Cutout

Isolating Contact
black print

3
white print

Max. terminal cross section: 1.5 mm2


Tab connectors for
B2.8-1DIN46245 sleeves

no printing

1
20.5 0.3

max.10

Front Panel Dimensions


Bezel snaps on to 32 mm
diameter front ring.

64

20

26

20

25

32

25

26
32
36

GOSSEN Mller & Weigert

Contact Position Indicators for Direct Voltage


or Alternating Voltage 45 ... 65 Hz

Order Information
Code: B0

Graphic Symbols
+

Order Example:

Off

~
2

Contact Position Indicator, 25 x 25 mm Front Dimensions,


for Alternating Voltage 220 ... 230 V

+ Error

On

Technical Data

Order No.

Type: Stq 1

1108B, B2, IL726

Schematic Diagrams
Direct Voltage

Direct Voltage,
Parallel Load

+
3

Alternating Voltage

+
3

Alternating Voltage,
Parallel Load

Front Dim., mm
Type
Order no.



25 x 25
Stq 1
1108B

25 mm dia.
St 1
1280B

The following applies for the preparation of order information:


Only one identifier with a given letter sequence may be selected.
Order numbers containing N (standard model) need not be included.

32 mm dia.
St 2
1281B

Front Dim., mm
Type
Order no.



25 x 25
Stq 1
1108B

25 mm dia.
St 1
1280B

32 mm dia.
St 2
1281B

B2
IL 624
IL 648
IL 660
IL 311
IL 726

+
+
+
+
+
+

+
+
+
+
+
+

+
+
+
+
+
+

INH 1

GA 2

+
+

+
+

LB 1
VB 2

+
+

+
+

+
+

Direct Voltage
24 V (0.3 W) 1)
48 V (0.3 W) 1)
60 V (0.4 W) 1)
110 V (0.6 W) 1)
125 V (0.7 W) 1)
220 V (1.0 W) 1)

B1
IL 224
IL 248
IL 260
IL 511
IL 512
IL 522

+
+
+
+
+
+
+

+
+
+
+
+
+
+

+
+
+
+
+
+
+

Movement Variants 2)
with parallel load

INH 1

Scale Variants 2)
with isolation contact

GA 2

Housing Variants 2)
conditionally tropic-proof
full contact protection

LB 1
VB 2

+
+

Alternating Voltage
24 V (0.3 VA) 1)
48 V (0.3 VA) 1)
60 V (0.4 VA) 1)
110 V (0.6 VA) 1)
220 ... 230 V (1.4 VA) 1)

1) Nominal voltage tolerance: 20 %


2) Applies to all types of direct and alternating voltage

GOSSEN Mller & Weigert

65

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