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CAUTION Cutler-Hammer The Industry Leader in Power Protection
APF
TD.37D.06.T.E.
1
IM-AP8-00001, Dec.15 .05, Rev: K
Automation Powerline Filter (APF)
Installation and Operating Guide
Table of Contents
1.0
APF Operation
2.0
Preparation
3.0
Installation Procedures
4.0
Specifications and Installation Drawings
5.0
Diagnostics
6.0
Maintenance
7.0
Warranty
Introduction
APF products are premium Surge Protection Devices
(SPDs) with a hybrid MOV/filter design.
They are
applied to electronic equipment such as PLC, control
equipment, RTU, etc. to prevent damage from loads
voltage surges, spikes, and electrical line noise. Correct
installation is critical for the proper operation of the APF
unit.
Please read the installation and operating
instructions prior to installing the APF suppression
device.
WARNING
Fig. 1 APF
1.0 APF Operation
Properly installed, APF products will protect electronic
equipment. They are installed in series with the load to
be protected. Under normal operating conditions, the
APF will only draw a small capacitive current from the
line. When a voltage surge or electrical line noise
exists,
the APF
will
remove
the
portion
of
the
disturbance that exceeds the systems normal operating
voltage.
2.0 Preparation
Before installation, verify that the amperage and voltage
ratings of the APF match the application. The maximum
amperage rating of the APF is identified on the top cover
in red. The amperage rating can also be found on the
nameplate. The nameplate is located on the side of the
APF container.
The maximum amperage of the
protected load must be equal to or less than the APF
product. If the amperage rating is exceeded, the unit
can overheat and fail.
To verify the voltage rating, check the nameplate on the
side of the APF container. The maximum voltage will be
the same from Line to Neutral (L-N), Line to Ground (L-
G), and Neutral to Ground (N-G). This makes the APF
suitable for floating systems that utilize L, L, G and
bonded systems that are L, N, G. The amperage and
voltage rating is also indicated in the catalog number.
The catalog number can also be found on the
nameplate.
Automation
Powerline Filter
Rating
APF
Voltage
Amperage
120N
01
230L*
03
05
*Applicable for 230/240V systems
CAUTION Cutler-Hammer The Industry Leader in Power Protection
APF
TD.37D.06.T.E.
2
IM-AP8-00001, Dec.15 .05, Rev: K
Review the application to ensure physical space exists
for the APF product installation.
Review and check the grounding system. All grounding,
bonding and earthing systems must meet NEC, CEC
and/or
applicable
local
codes
to
ensure
reliable
operation of electronic loads.
A poor ground or
grounding and bonding violations will seriously affect the
APF products ability to function as specified.
The APF input ground and output ground (where
supplied) are internally wired together at the factory.
Loads that require a separate ground must use the
output ground from the APF. Loads that are grounded
to the chassis of the equipment do not require the output
ground from the APF to prevent ground loops. The APF
input ground should be connected to the local ground
point in all installations.
Overcurrent
protection
is
required
to
protect
the
distribution system from an unlikely failure of the APF or
downstream load. Overcurrent protection must be sized
according to the downstream load with an additional
margin for the APF capacitive current draw. For 120
VAC systems at 50/60 Hz use an additional 1 ampere,
for 220 to 240 VAC systems at 50/60 Hz use an
additional 1.5 amperes. The ampere current draw of the
APF is capacitive and may increase if there is significant
noise on the power line. This will not detract from the
output current rating of the APF as the current rating of
the APF is based on the output current only.
If fuses are utilized, Cutler-Hammer recommends slow
acting fuses for loads with high inrush currents. The
APF is designed to withstand large inrush currents.
Alternatively, overcurrent protection can be installed for
the APF, sized as above, and for the load. This method
is popular for low current applications.
3.0 Installation Procedures
For optimal protection, place the APF product as close
as possible to the load being protected. Cutler-
Hammer recommends that the wiring from the APF
output terminals to the input terminals of the electronic
equipment be kept as short and straight as possible.
This will prevent the wiring from acting as an antenna
that
picks
up
high
frequency
noise
from
the
environment. Wiring length to the input terminals of the
APF product is not critical.
1.
To prevent the risk of electrical shock, TURN OFF
and lock out all power sources to the electrical
circuit where the APF is to be installed. Verify that
the power has been disconnected with a portable
voltmeter or other measuring device.
2.
Install overcurrent protection on the line side of the
APF.
3.
If existing DIN-Rail is available, mount APF to DIN-
Rail.
If not, use factory supplied DIN-Rail by
installing to a desired location and then mount APF
to DIN-Rail.
4.
Wire from the overcurrent protection to the input
terminals of the APF. The terminals are clearly
marked L, N, and G.
Wire gauge should be
selected to match the amperage of the overcurrent
protection. Generally, #14 AWG is used. Ensure
that the proper color wire is used (green or
green/yellow - ground, white or light blue - neutral,
black
and/or
red
-
phase)
and
tighten
all
connections.
5.
Wire from the APF output terminals to the input
terminals of the protected load.
Tighten all
connections.
6.
Recheck all connections.
7.
Install two terminal covers supplied loose (see
photo).
8.
Restore power to the electrical circuit.
9.
Check that the status indicator (Green LED) is
illuminated.
4.0 Specifications and Installation Drawings
Specifications
Input Voltage120, 230, VAC, 1ph(L,N,G or L,L,G)
Amperage. 01, 03, 05 AMP
Frequency.. 50/60 Hz
Protection Modes L-N, L-G, N-G
MCOV 150, 320V
Noise Attenuation (Normal Mode).. 50dB@100kHz
Filter Bandwidth.. 10kHz to 50MHz
Peak Surge Current39,000 Amps per phase(L-N +
L-G)
Internally Fused.. Thermal Fuses
Fault Current Rating (AIC rating per UL)..500A
Operating Temperature. -40 to + 50 degrees C
Response Time .Less than 1 nanosecond
Agency Approvals..UL 1449 2
nd
Edition, CSA
Warranty .Five Years
Connected Equipment Warranty 3 Years; $3000 Cutler-Hammer The Industry Leader in Power Protection
APF
TD.37D.06.T.E.
3
IM-AP8-00001, Dec.15 .05, Rev: K
Installation Drawings
TYPICAL OEM SYSTEM
FUSE
FUSE
FUSE
FUSE
PHASE
NEUTRAL
GROUND - PE
G
N
L1
G
N
L1
G
N
L1
HEATERS
PLC
POWER SUPPLY
APF
POWERLINE
FILTER
ELECTRONICS
RELAY BANK
CONVENIENCE
RECEPTACLES
G
N
ELECTRICAL PANEL
A
B
C
APF Cutler-Hammer The Industry Leader in Power Protection
APF
TD.37D.06.T.E.
4
IM-AP8-00001, Dec.15 .05, Rev: K
5.0 Diagnostics
The APF is supplied with a green LED that will illuminate
and indicate power at the output terminals. If the green
LED is not illuminated, it indicates that power is not
being supplied to the APF. The LED will not illuminate if
there has been a utility power failure, or an internal
failure of the APF suppression components. If the
internal suppression components fail, a short circuit will
result. The short circuit will open the overcurrent device
on the power supply, removing power to the APF.
Whenever power is removed from the APF, the green
LED will not illuminate.
6.0 Maintenance
Preventive Maintenance (Inspection and Cleaning) -
Periodic system inspections, cleaning, and connection
checks are recommended to ensure reliable system
performance.
There is no defined schedule for
preventive maintenance, as conditions will vary from
installation to installation.
Corrective Maintenance (Repair or Replacement) -
APF products are designed to provide years of
continuous service. However, even the most reliable
equipment may fail. In the unlikely case that the LED
monitor is not illuminated, check the overcurrent
protection on the power supply. Replace or reset the
overcurrent protection. If a problem still exists, contact
Cutler-Hammer s application support.
1-800-809-2772, opt. #1, sub opt. #3
7.0 Warranty
Standard - Cutler-Hammer warrants its products for a
period of five years from the date of delivery to the
purchaser to be free from defects in both workmanship
and materials.
Cutler-Hammer assumes no risk or
liability for results of the use of the products purchased
from it, including but without limiting the generality of the
foregoing: (1) The use in combination with any electrical
or electronic comp