Specifications

Putting these components together in an
Electric PTO
Electric PTO
clutch
clutch
application: There is one
relay
relay in the system, an electric PTO
Clutch, and an electric PTO Switch. The
PTO switch
PTO switch is of the
two-pole, three throw variety.
With an Electric PTO:
Electric PTO Switch
Relay
C
O
M
N
O
A
A
B
B
OFF
C
C
C
N
C
ON
B
B
A
A
C
C
C
When the PTO is turned ON, contacts
within the switch shift from connecting
common (COM) and normally closed (NC)
spades,
to connecting common (COM) and
normally open (NO) spades.
1
1
RELAY
4
4
5
5
3
3
2
2
When the relay windings are energized,
contacts within the relay shift from connecting
common (3) and normally closed spades (4),
1
1
RELAY
4
4
5
5
3
3
2
2
making contact between the common (3) and
normally open (5) spades.