Surge Protective Devices (SPD)
Brick Replacement
PRECAUTIONS
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
· Apply appropriate personal protective equipment (PPE) and follow safe electrical work
practices. See NFPA 70E.
· This equipment must only be installed and serviced by qualified electrical personnel.
· Turn off all power supplying this equipment before working on or inside equipment.
· Always use a properly rated voltage sensing device to confirm power is off.
· Replace all devices, doors and covers before turning on power to this equipment.
Failure to follow these instructions will result in death or serious injury.
WARRANTY
For warranty information about your Surge Protection Device, go to the APC
Web site: www.apc.com. Choose Products, and then choose Surge Protection
and Power Conditioning. Scroll down to Hardwire Surge Suppression.
Choose your part number from among the three categories listed under
Hardwire Surge Suppression. A screen containing information specific to
your Surge Protection Device is then displayed. Click on the Documentation
tab to locate the file containing your warranty.
INSTALLATION
Verify that all brick replacement modules have the correct catalog number. The catalog number
is found on the nameplate of each brick replacement module (see Figure 1) and on the SPD
device nameplate. Use Table 1 to determine the correct replacement catalog number based on
the existing SPD system voltage and peak surge current rating.
Table 1: Brick Module Replacements
PEAK SURGE
CURRENT
RATING
PRODUCT
NUMBER
120 kA
BMP3-A
120/208V, 3 phase, 4 wire Wye
120 kA
BMF3-A
220/380V, 3 phase, 4 wire Wye
120 kA
BMH3-A
277/480V, 3 phase, 4 wire Wye
120 kA
BMG3-A
347/600V, 3 phase, 4 wire Wye
120 kA
BML3-A
SYSTEM
VOLTAGE
120/240V, 1 phase, 3 wire Wye
Table 2: Installation Torque
Power Connection
AØ, BØ, CØ & N
Ground
Retain for future use
Terminal Torque
W/O Disconnect
W/ Disconnect
35 lb-in (4N·M)
50 lb-in (5.7N·M)
50 lb-in (5.7N·M)
For technical support, go to www.apc.com/support/contact
2
APC REPLACEMENT BRICK PRODUCTS Surge Protective Device (SPD)
INSTRUCTIONS
1. Turn off all power to the SPDR Brick.
Figure 1: Replacement Brick
Fastening Nuts
Communication Port
Fastening Nuts
Name Plate
2. Mark the phase cables for the brick to be replaced (if they are not already
marked) with the appropriate A, B, or C phase and unplug the
communication cable from the brick.
3. Remove the phase, neutral, and ground wires (if applicable) from the brick.
4. Remove and discard the 4 fastening nuts and carefully remove the brick.
See Figure 1.
NAME
PLATE
5. Install the new brick using the hardware kit supplied insuring that fastening
nuts are tight.
6. Attach the phase cables, neutral, and ground wires (if applicable) to the
associated brick lugs ensuring the lug set screws are tight. Refer to Table
2 for the proper torque specifications.
7. Check that all connections are secure. Remove all tools and discarded
hardware from the unit.
Three Phase, 3- or 4-Wire,
Grounded Wye Installation
8. Plug the communication cable into the brick receptacle following the plug
orientation guide attached to the brick.
9. Replace the barrier, cover/door, and/or trim to the equipment (if applicable).
10. Equipment may be re-energized after all of the above steps are complete.
990-3490 (8251-0138A)
9/08