Brochures and Data Sheets
Customer Control Circuits
30A
Load-shedding circuit initiated by opening of a
customer-supplied contact.
30B
Load-shedding circuit initiated by removal of
customer-supplied control voltage. (Specify voltage).
44G
Strip Heater with thermostat recommended for
outdoor applications on temperatures below 32
O
F
(0
O
C) to prevent condensation and freezing.
Add-on Boards
18Z
Includes one Form C contact (Rated 2A @ 30VDC
or .5A @ 125VAC) for each of the following:
• Normal Source Acceptability.
• Emergency Source Acceptability.
• Selective Load Disconnect. - Pre and post transfer
signal time delay for selective load disconnect with
a programmable bypass on source failures -
adjustable 0 to 5 minutes.
• Fourth contact can be set to mimic the accepta-
bility contacts or annunciate any combination of
the acceptability contacts and/or any switch alarm
conditions available:
Extended Parallel Time (Closed transition),
Failure to Synchronize (Closed transition),
Transfer Switch Locked Out (Closed transition),
Load Disconnected (Delayed transition).
• Accessory 18Z includes an extension of the engine
start time delay (feature) to 60 seconds if an ex-
ternal 24VDC supply is connected to a 4000 series
controller. This external power source will also allow
the LCD display to be active when both normal and
emergency sources are unavailable.
18Z2
Includes two 18Z accessory boards. (Maximum of
two 18Z accessory boards allowed.)
Time Delays
2C
Provides an extended time delay on engine starting.
The standard feature one time delay is adjustable from
zero to six seconds. Accessory 2C allows this time delay
to be adjustable from zero to sixty minutes in one
second intervals factory set at five minutes.
1G
Similar to accessory 2C except using an external 24
volt DC power input. Available only as a feature of
accessory 18Z.
Indicators & Controls
14A/14B
Additional auxiliary contact sets to indicate switch posi-
tion. Two sets are typically standard. Maximum num-
ber of two additional sets. (Varies by configuration)
6C
Reset Switch for manual retransfer to normal with
automatic override upon emergency source failure.
Neutral Conductor Options
• Solid neutral, with fully-rated terminals. (AL-CU) UL Listed.
• Conventional neutral switching pole.
Note: Specify neutral option in catalog number, see page 18 for instructions.
Communications Options
72A
Serial communication module for remote
communications to ASCO POWERQUEST
®
products. Also
allows 4000 S
ERIES Transfer Switches to communicate via
Modbus/RTU.
72E
Ethernet connectivity module for remote communica-
tions to ASCO POWERQUEST
®
products. Contains
embedded web pages for the remote monitoring of ASCO
products as well as some 3rd party devices. Also provides
Serial-to-Ethernet link with ability to communicate using
Modbus/TCP.
10
4000 SERIES OPTIONAL ACCESSORIES
Fig.
9:
4000 S
ERIES Accessory 18Z
mounting on User Interface
1st Relay Board
Accessory 18Z
2nd Relay Board
Accesory 18Z2
Studs
Standoffs