Enclosures

Technical Specification Sheet
Document No. 149-475
February 17, 2009
PX Series Enclosures and Accessories
Features
Three sizes available to match installation needs.
Sturdy construction accommodates secure
conduit fittings and protects components against
incidental contact and falling dirt.
Multiple knockouts along top, sides and bottom.
Perforated backplane extends wall-to-wall for
mounting of additional equipment.
DIN rail(s) for mounting of components.
Spacious interior for easy routing and termination
of wiring.
Hinged door, key lock, wire tie bars, PXA series
service boxes
UL Smoke Control Listing is available on the 19”
and 34” models.
Figure 1. New PX Series Enclosures.
Enclosures
UL 916 rating is available on the 18’ enclosure
18” enclosure pull-box type, utility cabinet for low
cost installations (see Figure 2).
Description
PX series enclosures house both electronic and
pneumatic components. The enclosures include a
perforated backplane for mounting of the PXC series
controllers, Power Modular Equipment Controllers,
Point Expansion Modules or other electronic or
pneumatic components.
Figure 2. Complete 18” Enclosure Assembly.
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Accessories
Service Boxes
The 115V models provide an un-switched duplex
outlet to power peripheral devices such as
modems, trunk interfaces and Portable Operator’s
Terminals.
UL864 Smoke Control rated when used in PXA
Series Enclosure 19” or 34” or within existing
MEC enclosures.
Description
DIN Replacement Kit (PXA-DIN16KIT)
PXA series service boxes include all of the parts
necessary for installation inside a 19 inch or 34 inch
PX Series Enclosure Assemblies. The 192VA service
box can also be used within existing MEC enclosures.
The 384VA service box may only be installed in the
34 inch PX Series Enclosure.
The DIN Replacement Kit can be used when
additional 16” DIN rail is required.
This kit contains:
Four 16” (406 mm) DIN rails for use when extra
rails are needed
Twelve Screws
Wire Tie Bar Kit (PXA-TIEBARKIT)
The Wire Tie Bar kit can be used when addition tie
bars are needed to secure wiring within the enclosure.
This kit contains:
Figure 3. SB115V384VA service box .
Features
Four 4.5” (114 mm) tie bars
Four 9.5” (241 mm) tie bars
Screws and cable ties
Four service boxes are available to step-down
line voltage to 24Vac for use by electronic
components.
Service boxes are sized for:

115V to 24V at 192VA

115V to 24V at 384VA

230V to 24V at 192VA

230V to 24V at 384VA
384VA models mount inside the 34” enclosures.
192VA models mount inside the 19” and 34”
enclosures.
Two sidewall kits cover exposed circuits for use in
other NEMA Type 1 enclosures such as motor
control cabinets.
Each service box includes an on/off circuit
breaker for the transformer, transient protection
on both primary and secondary sides, two NEC
Class 1 power limited terminations for
components inside the enclosure and one NEC
Class 2 termination for external components such
as TX-I/O Bus expansion or actuators.
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USB Modem Kit (PXA-USBMODEMKIT)
USB Modem kit contains everything needed for dial
up modem connection using the USB Host port of the
PXC Modular controller.
This kit contains:
Sportsters Modem 56k BPS Dialup
USB to RS232 Adapter
Surge Suppressor Analog Telephone Line
DB25M/F Right-Angle Adapter
IBM 6’ PC Cable DB9F to DB25M
USB to RS232 Adapter (PXA-USBADAPTER)
USB to RS232 Adapter converts USB Host signals
(Type A male connector) to RS232 signals (DB9 male
connector).
This adapter may be used for connection to a RS232
printer. It is part of the PXA-USBMODEMKIT.
Siemens Building Technologies, Inc.
Specifications
Specifications
PXA-ENC18
PXA-ENC19
PXA-ENC34
UL Listed NEMA Type 1 Enclosure
X
X
X
Pull-box style
X
X
X
X
X
UL864 UUKL
X
X
ULC-C100 UUKL7
X
X
UL 916 PAZX
X
X
Hinged Door with lock
Ambient Operating Environment
+32 F to +120 F (0 C to +49 C)
93% RH (Non-condensing)
X
Agency Listing
UL 508A
X
Agency Compliance
FCC Compliance
X
X
X
Australian EMC Framework
X
X
X
European EMC Directive (CE)
X
X
X
European Low Voltage Directive (LVD)
X
X
X
Dimensions
18”H × 14”W × 6”D
19”H × 22”W × 5.75”D
34”H × 22”W × 5.75”D
(457.2 mm × 355.6
mm × 152.4 mm)
(482.6 mm × 558.8
mm × 146.05 mm)
(863.6 mm ×558.8 mm ×
146.05 mm)
Mounting Surface
Building Wall
X
X
X
Structural Member
X
X
X
Input Power Requirement
115V Service Boxes
230V Service Boxes
Voltage
115Vac +/- 15% @ 60 Hz +/- 5%,
from 15 or 20A circuit breaker
230Vac +/- 15% @ 50/60 Hz +/- 5%,
from 10A circuit breaker
Current
2A for 192VA, 4A for 384VA, 2A for
115Vac Service Outlets
1A for 192VA, 2A for 384VA
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Ordering Information
Enclosure Range
Description
Product Number
18” PX Series Enclosure
PXA-ENC18
19” PX Series Enclosure
PXA-ENC19
34” PX Series Enclosure
PXA-ENC34
Accessories
Service Box 115V, 24 Vac, 192 VA
PXA-SB115V192VA
Service Box 230V, 24 Vac, 192 VA
PXA-SB230V192VA
Service Box 115V, 24 Vac, 384 VA
PXA-SB115V384VA
Service Box 230V, 24 Vac, 384 VA
PXA-SB230V384VA
Service Box Sidewall Kit, 192 VA
PXA-SW192VA
Service Box Sidewall Kit, 384 VA
PXA-SW384VA
Replacement door for 19” PX series enclosure
PXA-ENC19.REPL.DR
Replacement door for 34” PX series enclosure
PXA-ENC34.REPL.DR
Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as
design improvements are introduced. APOGEE and Insight are registered trademarks of Siemens Building Technologies, Inc. Other product or
company names mentioned herein may be the trademarks of their respective owners. © 2007 Siemens Building Technologies, Inc.
Siemens Building Technologies, Inc.
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
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comments about this document, please send them to
SBT_technical.editor.us.sbt@siemens.com
Document No. 149-475
Country of Origin: US
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