SURGE (Single-Phase or Three-Phase)

Single Phase Surge Pro

BTU SPD 1-120
BTU SPD 1-230
BTU-WHS-1

Surge Single-Phase

Complete Surge Protection

This series of devices is designed to protect valuable electronics and appliances from transients and surge disturbances on your AC power line before they enter your home or office.

Product Features

  • Protects All Equipment From AC Current Power Surges including:
    Electronics, Computers, Entertainment Centers, Home Office, HVAC
    Equipment, Office Equipment, Medical Devices and much more.

Technical Features

  • 120/240 Volt AC United States 230/400 Volt AC European
  • 150,000 A (Maximum Surge Current)
  • 400 V UL 1449 3rd Edition Clamping Voltage
  • 70 kA Imax (8/20us) per phase
  • 100 kA Short Circuit Current Rating (SCCR)Protection
  • Status LED Indicators for Operation and Mechanical Fault
  • NEMA 4X Enclosure

Residential Units - Single Phase Versions

Residential Units Model Number Enclosure Sizes UL Operating Voltage Two Pole Breaker Size Frequency Wire Size (AWG)
Surge Pro - Single Phase BTU SPD 1-120 7 x 9.2 x 3.25 120/240 20/30 Amp 50/60 hz 12
  BTU SPD 1-230 7 x 9.2 x 3.25 230 20/30 Amp 50/60 hz 12
The Vault BTU-WHS-1 Refer to The Vault page for specifications

Three Phase Surge Pro

BTU SPD 3-600
BTU SPD 3-400
BTU SPD 3-320
BTU SPD 3-120

Surge Three-Phase

Complete Surge Protection

The BTU Research SURGE-PRO and ARC-TECH PRO UL 1449 3rd Edition products are used mainly for primary protection of single and three-phase networks at the main electrical panel or for direct protection at a specific load. They provide common mode protection (between the active conductors and protective wire) and are available in single-phase, three-phase, and three-phase+neutral versions. The SURGE-PRO and ARC-TECH PRO high impulse discharge capabilities classify these SPD's as reinforced Type 2, useful in case of high lightning density areas. IEC60364 standard requests Type 2 SPD at the entrance of installation if the keraunic level Nk > 25. The SPD is based on association of high energy varistors equipped with thermal disconnector and failure indicator, to comply with standards. Remote signaling or disconnection indication is also available for all models.


Engineered Solutions Commercial/Industrial Three Phase Version

BTU Part Number BTU SPD 3-600 BTU SPD 3-400 BTU SPD 3-230 BTU SPD 3-120
Enclosure Sizes 7 x 9.2 x 3.25 7 x 9.2 x 3.25 7 x 9.2 x 3.25 7 x 9.2 x 3.25
AC Network 480/600V 277/480V 120/208V
240V
230/400		 120/240
120V
UL Max. Operating Voltage (MCOV) 840Vac 420Vac 275Vac 150Vac
TOV Withstand (UT) 840Vac 420Vac 275Vac 150Vac
3 Phase Breaker Size 20/30 Amp 20/30 Amp 20/30 Amp 20/30 Amp
Frequency 50/60 hz 50/60 hz 50/60 hz 50/60 hz
Wire Size (AWG) 12 12 12 12
Connection Mode L-N,L-G,-N-G,L-L (where applicable)
IEC/UL Nominal Discharge Current (In)
15 impulses 8/20 μs		 30/20kA 30/20kA 30/20kA 30/20kA
Max. Discharge Current
1 impulse 8/20 μs		 70kA 70kA 70kA 70kA
Max Lightning Current
1 impulse 10/350 μs		 - - - -
UL Voltage Protection Rating (VPR) 2500V 1500V 900V 600V
Protection Level at In (Up) 2.5kV 1.8kV 1.4kV 1kV
UL Short Circuit Rating (SCCR) 100kAIC 100kAIC 100kAIC 100kAIC
Leakage Current at MCOV (Ic) <1mA <1mA <1mA <1mA
Flow Current None
AC System IT, TT, TN, Single, Split Phase, Delta, Wye
Weight 3.05 lb
Standards Compliance
IEC 61643-1 - International Class II
EN 61643-11 - Europe Class II
NF EN 61643-11 - France Class II
UL1449 3rd Edition - USA Type 4, Type 2 Location
UL1449 3rd Edition - Canada Type 4, Type 2 Location
CSA Css.2 No. 8-M1986 Class 9091 32, Class 9091 92
RoHS Directive 2002/95/EC