Edco HSP121BT-1RU
Internal Mount 120 VAC Protection
Surge Protection
For Business-Critical Continuity
TM
The Edco HSP121BT-1RU is an advanced 3-stage hybrid, solid state power line
protector. Features such as noise filtering, common mode and normal mode
suppression, nanosecond reaction time, power line tracking, and compression
screw terminations, make the Edco HSP121BT-1RU an excellent choice in
commercial and industrial applications.
The Edco HSP121BT-1RU offers a replaceable fuse designed to remove the load
(protected equipment) from the line if the unit is either overloaded or the
internal protection fails. This feature prevents surges from entering equipment
through a failed protector, not noticed by the user. Unlike models with only an
indicator, which may take weeks to notice, the Edco HSP121BT-1RU demands
immediate attention upon the unlikely occurrence of internal failure.
Features
Fast response time
Failure indicator
Power line tracking
Filtering
3-stage hybrid design
Replaceable fuse
UL 1449 recognized
5 year warranty
Operating Voltage 120 VAC
Clamping Voltage 325 VAC
Operating Current 15 A
Total Peak Surge Current 39 kA (8 x 20 μs)
Operating Frequency 47-63 Hz
EMI Attenuation > 40 dB(100 kHz to 100 MHz)
SPD Technology Metal Oxide Varistors (MOVs)
w/ L-C Filter
Modes of Protection Line-to-Neutral,
Line-to-Ground,
Neutral-to-Ground
Status Indication Power On & MOVs functional
Connection Type 3 position, 20A terminal block
w/ compression screws
Terminals accept up to 14 AWG
Operating Temperature -40°C to +85°C
Dimensions (Inches) 1.8H x 2.9W x 5.3L
Weight 10 oz
Certifications UL 1449 recognized
Warranty 5 years
General Technical Specifications
Installation
Dimensions
Business-Critical Continuity, Emerson Network Power and the Emerson Network Power
logo are trademarks and service marks of Emerson Electric Co. ©2009 Emerson Electric Co.
1. Remove power from equipment to be protected.
2. Mount Edco HSP121BT-1RU in a UL approved housing. Keep all leads as short as possible (less than 3 feet).
3. Position unit within the equipment cabinet so that the fuse holder will be accessible should the fuse need replacing.
4. Secure HSP using up to six screws to fit 3/16" hole openings. Use sheet metal or wood screws depending on the
mounting surface.
5. Make sure wiring from power sources properly connects to LINE side of HSP (torque to 7 in. lbs.). Wiring from protected
equipment must properly connect to EQUIP side of HSP (torque to 7 in. lbs.).
6. Indication of internal failure:
a. Indicator will extinguish.
b. Fuse blown will disconnect load from power source.
7. Connect only to 120 VAC, 15 Amp Max., single phase, three wire circuit.
WARNING: Disconnect AC source before replacing fuse.
For continued protection against risk of fire, replace only with same type rating of fuse (3AB,15A/250V).
HOLES 3/16'' DIA
1.17"
1.17"
20 VAC
AC
L
I
NEUT
GRD
LIGHT OFF – REQUIRES SERVICE
N
E
LIGHT ON – NORMAL
15 AMPS MAX
E
Q
U
NEUT
I
P
GRD
4.86"
5.25"
AC
2.95"
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