AZ7310 PANASONIC EW, AZ7310 Datasheet - Page 14

• Manufacturer Part Number: AZ7310
• Description: LIMIT SWITCH, PUSH PLUNGER, SPDT
• Manufacturer: PANASONIC EW

Specifications of AZ7310

• Actuator Style: Push Plunger
• Operating Force Max: 5.88N
• Contact Voltage Ac Max: 250V
• Contact Voltage Dc Max: 115V
• Contact Current Ac Max: 10A
• Contact Current Dc Max: 400mA
• Switch Terminals: Screw
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1. The ON/OFF circuit for the guidance
load may suffer contact damage due to
surges or inrushes when the power is
turned either ON or OFF.
Consequently, insertion of a protective
circuit as per the following diagram is
recommended, in order to protect the
contacts.
Limit switch contact
Limit switch contact
Limit switch contact
Limit switch contact
PROTECTION CIRCUIT
Circuit
ZNR
Varistor
Diode
r
c
r
c
R
R
R
R
(1) r must be a minimum
(2) When using AC power:
Can be used with both
AC and DC as appro-
priate.
r
C: 0.1 F
(1) Dedicated DC use.
(2) AC is impossible
Can be used with both
AC and DC as appro-
priate.
~
Cautions for use
Q Impossible when R
W Possible when c, r
of 10 ;
R
impedance is large.
impedance is suffi-
ciently small com-
pared with R imped-
ance.
2. Do not connect either irregular poles
or power sources to a switch contact.
Power connection examples (irregular
pole connection)
Example of unsuitable power connec-
tion (abnormal power connection)
Risk of AC and DC being mixed.
NO GOOD
NO GOOD
GOOD
Load
AC
DC
Load connected to same pole
Load
L
Load
Load
Load
Load
L
L
L
CAUTIONS FOR USE
3. Avoid circuits where power may find
a way between the contact points (as
this may cause welding.)
4. Using electronic switch circuits (low
power, low current)
1) Bouncing and chattering are gener-
ated due to collision between the con-
tacts when the limit switch is switching
between them, and this sometimes
causes such problems as white noises
and error pulses in both the electronic
circuit and the reverberation equip-
ment.
2) If the generation of bouncing and
chattering becomes a problem, it is
necessary to consider installing a CR
circuit or other absorption circuit given
the circuit design.
3) This is particularly necessary when
high contact reliability is needed, and
is unsuitable for silver contact switch-
es. Switches with gold contacts pos-
sess excellent performance.
NO GOOD
L
100V
200V
9