Auxiliary wiring – Watlow Series 942 User Manual
Page 17
17
Install and Wire, Chapter 2
WATLOW Series 942 User's Manual
Auxiliary Wiring
NOTE:
This output is sup-
plied with an arc
suppression snub-
ber across the out-
put terminals. High
impedance loads
may remain ener-
gized even though
the output device is
turned OFF.
Figure 24 -
Auxiliary Option 1
Wiring.
Figure 25 -
Auxiliary Option 2
Wiring.
For more information on alarms, alarm jumper selection and events,
see Chapter 6.
Load
Fuse
L1
L2
Load
Fuse
L1
L2
24
25
26
27
Mechanical Relay, Form A or B, 6 Amp
Output #4
Output #3
Mechanical Relay, 6 Amp, Dual Form A or B, Auxiliary Output
Model # 942A- _ _ _
2
- _ 000
Mechanical Relay, 6 Amp, Single Form A or B, Auxiliary Output
Model # 942A- _ _ _
1
- _ 000
Mechanical Relay
The electromechanical relay is an electrical and mechanical device with moving parts.
When power is applied to the relay solenoid, contact closure is created through movement of
the "common" contact of the relay. Off state impedance is 20K
Ω
minimum.
Mechanical Relay, Form A or B, 6 Amp
Output #3
26
27
Load
L1
L2