Beckwith Electronics


824 Horan Drive, Fenton, Mo 63026
(636) 343-6463
(636) 343-7026 fax

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EAO Switch


Series 30
Interlocked Assemblies

Features:
250 VAC/5A, 220 VDC/0.1A, 24 VDC/2A snap action
42 VAC/0.1 A, 42 VDC/0.1A low level
Minimum depth: 1.71"
Rugged stainless steel mechanism interlock
500.000 mechanical operations
Up to 12 stations in a single assembly
Switch elements removable
Master locking with a key

To design a Series 30 Interlock Assembly, select one
each of the following:
1. Number of stations, up to 12
2. Type of interlock system
3. Options, if required
4. Switch elements
5. Lenses and lamps


Contact Beckwith Electronics for ordering information.
Immediate delivery of prototypes or small orders.

Interlock Systems
Description Part No.
No mechanical interlock function
Each actuator is completely independent.		 30-500
Mutual blocking
Only one actuator can be operated at one time
and must be released by a second push.		 30-510
Mutual release
When operating one switch (or more) simultaneously
the switch will remain in the depressed position.
To restore it, another switch must be pressed.		 30-520
Mutual release and blocking
Only one switch can be operated at a time.
It can be released by pushing another switch.		 30-530
Individual operation with master release
All switches can be operated independently. By pushing
the master release switch, all other switches will be restored
to their original position. Any position of the master release
switch is possible. (Please indicated desired position.)		 30-540
Sequential operation with master release
Actuators must be operated sequentially, one by one.
The operated actuators are restored to their original position
by pushing the master release button, which is placed
at the end of the interlock system.		 30-550
To assure proper operation of interlock assembly, all lenses must be installed


Options
Master locking option-pushbutton or key
By actuating the master locking pushbutton or key,
all other stations will be locked in their current state.
The master locking option must be placed immediately
after the mechanical interlock system.		 30-599
Master release option-pushbutton
By actuating the master release pushbutton, all depressed
pushbuttons will be restored to their original positions.
The master release option can be positioned anywhere.		 30-598
Master release and locking option-pushbutton
By actuating the master release and locking pushbutton,
all stations will be released and locked to prevent operation.
This option can be placed anywhere.		 30-597
Master release and locking option-key
By turning the master release and locking key, all stations
will be released and locked to prevent operation.
This option must be placed immediately after the mechanical interlock system.		 30-596
Master release and locking option for sequential
interlock system-pushbutton or key
By actuating master release and locking pushbutton or key,
all other stations will be released and locked to prevent
operation. This option must be placed immediately
preceeding the interlock system.		 30-595


Switch Elements & Spacers
Description Part Number
Low level, 2 make contacts 30-750.836
Low level, 2 break contacts 30-751.836
Low level, 1 make, 1 break 30-752-836
1 pole, snap- acting 30-760.825
2 pole, snap-acting 30-761.825
3 pole, snap-acting 30-762.825
4 pole, snap-acting 30-763.825
1 pole, snap acting, 0.110" QC terminals 30-768.822
Spacer with 0.110" QC terminals 30-769.802
Spacer with unversal terminals 30-770.806


Series 30
      Add color digit
Description Rectangular 0 1 2 3 4 5 6 7 8 9
Flat Lens
Translucent 31-901. X   X X X X X   X X
Transparent 31-903.   X X X X X X X    
Transparent
with clear
diffuser		 31-905.     X   X X   X    
Concave
Translucent 31-902. X   X X X X X   X X
Transparent 31-904.     X X X X X X    
Transparent
with clear
diffuser		 31-906.     X   X X   X    

0=Black, 1=Solar Black, 2=Red, 3=Orange, 4=Yellow, 5=Green, 6=Blue 7=Clear, 8=Gray, 9=White. Black and Gray are opaque.