Mersen, formerly Ferraz Shawmut Surge-Trap Data Sheet
SURGE-TRAP®
MODULAR
surge protective device
DIN-RAIL
MODULAR
SPD FOR
ANSI/UL 1449
TYPE 1 AND 2
APPLICATIONS
RATINGS:
• Volts (Un): 120-690VAC
• Nominal Discharge Current
Rating (I
): 20kA
n
Surge-Trap® Modular Surge Protective Device (SPD) is a no-fuse, failsafe surge suppressor featuring Mersen’s patented TPMOV® technology
inside. UL 1449 4th Edition approved, it is DIN-rail mountable featuring
a fail-safe self-protected design, visual indicator, and a small footprint.
A remote indicator option provides status to critical control circuitry.
The Surge-Trap Modular SPD has a high short circuit rating and a
thermally protected MOV, which eliminates the need for additional
overcurrent protection devices.
FEATURES AND BENEFITS:
• Easy installation or retrofit
• DIN-rail mountable
• Fail-safe, self-protected design
• Remote indicator (optional)
• Visual indicator
• IP20 finger-safe design
• Small footprint
• No additional overcurrent
protection devices required
• 2-year warranty
• Surge Capacity (per phase and
per mode): 50kA
• Short-Circuit Current Rating
(SCCR): 200kA
APPROVALS:
• ANSI/UL 1449 4th Edition,
Type 1 Component Assembly
SPD, File E210793
• ANSI/IEEE C62.41.1, C62.41.2,
C62.45
• RoHS Compliant
SURGE-TRAP® MODULAR
general product specifications
Mounting: 35mm DIN-Rail
Wire Range: 6-14AWG Solid / Stranded CU
Terminal Torque: 14.75 lbs-in
Degree of Protection: IP 20
Flammability: UL94 V0
1-pole, single-phase, 2-Wire
Catalog Number NomiNal Voltage (VaC) maximum CoNtiNuous operatiNg Voltage (mCoV, VaC) Voltage proteCtioN ratiNg (Vpr, VaC) i
l- N l- g N-g l- l l- N l- g N-g l- l
ST1201PG(M) 120 180 180 - - 500 500 - - 20
ST2301PG(M) 240 270 270 - - 800 800 - - 20
ST2771PG(M) 277 320 320 - - 900 900 - - 20
2-pole, split-phase, 3-Wire
Catalog Number NomiNal Voltage (VaC) maximum CoNtiNuous operatiNg Voltage (mCoV, VaC) Voltage proteCtioN ratiNg (Vpr, VaC) i
l- N l- g N-g l- l l- N l- g N-g l- l
ST208SPG(M) 120/208 180 180 - 360 500 500 - 900 20
ST240SPG(M) 120/240 180 180 - 360 500 500 - 900 20
ST480SPG(M) 240/480 270 270 - 540 800 800 - 15 00 20
3-pole, 3-phase delta, 3-Wire
Catalog Number NomiNal Voltage (VaC) maximum CoNtiNuous operatiNg Voltage (mCoV, VaC) Voltage proteCtioN ratiNg (Vpr, VaC) i
l- N l- g N-g l- l l- N l- g N-g l- l
ST2403PD(M) 240 - - - 270 - - - 1000 20
ST4803PD(M) 480 - - - 550 - - - 3000 20
3-pole, 3-phase delta, 4-Wire
Catalog Number NomiNal Voltage (VaC) maximum CoNtiNuous operatiNg Voltage (mCoV, VaC) Voltage proteCtioN ratiNg (Vpr, VaC) i
l- N l- g N-g l- l l- N l- g N-g l- l
ST2403PDG(M) 240 270 270 - 540 800 800 - 15 00 20
ST4803PDG(M) 480 550 55 0 - 1100 15 00 15 00 - 3000 20
3-pole, 3-phase WYe, 4-Wire
Catalog Number NomiNal Voltage (VaC) maximum CoNtiNuous operatiNg Voltage (mCoV, VaC) Voltage proteCtioN ratiNg (Vpr, VaC) i
l- N l- g N-g l- l l- N l- g N-g l- l
ST2083PYG(M) 120/208 18 0 180 - 360 500 500 - 900 20
ST4803PYG(M) 277/480 32 0 320 - 64 0 90 0 900 - 1800 20
ST6003PYG(M) 347/600 4 20 420 - 840 12 00 12 00 - 2000 20
ST6903PYG(M) 400/690 510 510 - 1020 150 0 1500 - 3000 20
4-pole, 3-phase WYe, 5-Wire, including n-g mode
Catalog Number NomiNal Voltage (VaC) maximum CoNtiNuous operatiNg Voltage (mCoV, VaC) Voltage proteCtioN ratiNg (Vpr, VaC) i
l- N l- g N-g l- l l- N l- g N-g l- l
ST2083PY(M) 120/208 18 0 360 180 360 500 900 500 900 20
ST4803PY(M) 277/480 32 0 470 15 0 640 1000 1500 500 1800 20
ST6003PY(M) 347/600 4 20 690 270 840 15 00 25 00 800 25 00 20
ST6903PY(M) 400/690 10 20 510 510 1020 3000 150 0 150 0 3000 20
FOR REMOTE INDICTATION, ADD “M” TO THE END OF THE PART NUMBER. EXAMPLE, ST4803PYM.
OMIT “M” TO ORDER WITHOUT REMOTE INDICATION. EXAMPLE, ST4803PY.
Operating & Storage Temperature: -40ºC to + 85ºC
Visual End of Life Indicator: Visual Tab
Remote End of Life Indicator: NO/NC Dry Contact
Frequency: 50-60 Hz
Response Time: <25 ns
device
surge protective
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