83123015 Crouzet USA, 83123015 Datasheet - Page 121

• Manufacturer Part Number: 83123015
• Description: SNAP SWITCH
• Manufacturer: Crouzet USA
• Type: Basicr

Specifications of 83123015

• Actuator Type: Plunger
• Brand/series: 83123 Series
• Contact Form: SPDT-NC/NO
• Current, Rating: 5 A
• Flammability Rating: UL 94V-0
• Force, Operating: 18.7 Oz.
• Ip Rating: IP66
• Mounting Hole Size: 0.125 "
• Number Of Poles: 1
• Number Of Positions: 2
• Operation: Snap Action
• Temperature Rating: 0 to 85 °C
• Termination: Cable
• Voltage, Rating: 250 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Key Operated Safety Limit Switches – Technical Guide
Standards
Extract from standards EN 292-2 and EN 1088.
Moving guards to prevent risks created by moving (and therefore
dangerous) parts must be used in conjunction with locking devices or
interlocks with guard locking.
Interlocks with guard locking must be used on machines with
inertia.
An interlock with guard locking must be used if the stopping time is
greater than the time required for a person to reach the danger zone.
This mechanism will delay unlocking the moving guard until the
dangerous movement has actually stopped.
Areas of application
Key-operated safety interlock switches have been designed specifically
for protecting operators working on dangerous machines. They can be
used to lock or unlock moving guards on industrial machines, and meet
the requirements of standards EN 292-2, EN 294, EN 1088 and EN
60204-1.
Key-operated safety interlock switches are mainly used in applications
which form part of the machine operating process. They are used to stop
any dangerous movement whenever the moving guard system is open.
Examples of application
Monitoring of immediate access moving guards
Monitoring of immediate access rotary guards
Emergency stop and moving cover controlled by two channels on
terminals 41-42 (data contact) to a PLC output.
Emergency
stop
1
4
Level 3 for 1 or 2 moving cover(s): KNA3-XS + 83 893 001
Level 3 for 1 moving cover: KNA3-XS + 83 893 3
0V
0V
(closed)
Cover
Cover
NO
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NC
24 V
24 V
0 V
13 23 33
C1
13
A1 Y1 Y2
A2
14 24 34
14 24 34
KNA3-XS
23
41
C2
33
42
C3
24 V
13 23 33
C1
13
A1 Y1 Y2
A2
14 24 34
PLC
14 24 34
KNA3-XS
Run
23
41
C2
33
42
C3
C3
C1
C2
PLC
Products and specifications subject to change without notice.
Run
C3
C1
C2
The KNA3-XS
interrupts the 24 V
supply to the PLC
outputs (33-34)
Machine control circuits
The use of safety interlock switches in conjunction with XS and RS
safety relays creates control circuits conforming to EN 954-1.
Operating principle
The start circuit is only closed after the key has been inserted fully and is
used to close the NC contacts. Removing the key once the moving cover
is open causes the positive action opening of the NC contact(s).
The opening of the moving guard can be:
Immediate
Machines without inertia. Machines with a stopping time which is less
than the time taken to access the danger zone.
Delayed
Machines with a stopping time which is greater than the time taken to
access the danger zone.
Monitoring of delayed access moving guards
2
3
Y21
Level 3 for 1 moving cover: KZR3-RS + 83 893 201
Level 4 for 1 moving cover: KNA3-RS + KSW2-RS + 83 893 201
Y11
Y12
Y22
Y11
Y21
Y11
A1
KNA3-RS
A2
Y12
Y22
13
Y12
X2
X1 Y2 S1 S2 41
14 24 34 42
23 33
Y21Y22
Y1 14 24 34
C1
c1
13
Run
23
41
C2
33
42
c1
c2
c2
Y11
KZR3-RS
A1
K1
K2
A2
13
A1
KSW2-RS
A2
14
13
Y12
14 24
Y2
21
22
23
Y1
C1 C2
X1 X2
0V
42
Y21 Y22
13
14 24 32
41
L1
L2 L3
24 V
+ 24 V
23
31
32
31
41
K3
K4
42
0V
C1
C2
M
C1
C2
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M
3