These Stainless Steel units have extra large low voltage output terminals
and flip down wiring compartment access

  • Available Power Rating: 75 – 300 Watts
  • Primary Voltage: 120 Volts. Also available in 240V, 50 or 60 cycle (special order only)
  • Secondary Voltage: Full range remote dimming control included, user selected 12 or 15 Volts. Solid State Power supply.
  • Downloadable app allows control by any Bluetooth enabled device
  • Astronomic daily, weekly programming with multiple on/off and dimming

Download the JSST Transformer Quick Start Guide

JSST – SOLID STATE TRANSFORMER A landscape lighting transformer with infinite AC voltage outputs up to 15V. Terminals are provided in 75 through 300 watt sizes.

The stainless steel enclosure is rain-tight indoor/outdoor with removable cover. Units include side and bottom wiring access through two 1/2″ and 3/4″ double knockouts, and one 1-1/4″ and 1-1/2″ double EKO on a swing down bottom, with a removable 6′ line cord.

JSST Transformer Features:

  • 75 to 150 Watt Single and Dual Circuit output.
  • NEMA style rain-tight flange mount enclosure, type 304 stainless steel construction.
  • Wiring compartment with input and output terminals
  • Complete wiring instructions
  • 6’ outdoor line cord
  • UL Listed using Standard for Safety UL1838 (Link to UL Certification)
  • cUL approved for Canada
  • Limited lifetime warranty
  • Made in USA. Full compliance with the Buy American provision of the American Recovery and Reinvestment Act of 2009 (ARRA)

    ALL STAINLESS STEEL ENCLOSURE DIMENSIONS
    JSST 21″H x 6.63″W x 3.5″D

SST152-RC_500x700REV
sst_drawing

Specifications and Ordering Information
Bluetooth JSST Transformer
MODEL DESCRIPTION ENCLOSURE
SST751-RC  120 to 0-15VAC 75 watt, single circuit Stainless Steel, Mill Finish
SST151-RC  120 to 0-15VAC 150 watt, single circuit Stainless Steel, Mill Finish
SST752-RC  120 to 0-15VAC 75 x 2 – 150 watt, dual 75 watt circuits Stainless Steel, Mill Finish
SST152-RC  120 to 0-15VAC 150 x 2 – 300 watt, dual 150 watt circuits Stainless Steel, Mill Finish

JSST Transformer Bluetooth Control Features:

  • 90-126VAC (200-240VAC model available)
  • Output soft start ramp-up in 3 seconds. Inrush current minimized. Reduced lamp strain, increased lamp life.
  • High power factor, PF>0.9 with no inrush current
  • High efficiency
  • Protections: Short circuit / Overload / Over voltage / Over Temperature
  • Free air convection cooling
  • Constant AC voltage , 60Hz AC output

Specifications: JSST Solid State Landscape Lighting Transformer and Control

The following applies to all models
INPUT
VOLTAGE AND FREQUENCY RANGE 90-126VAC, 60HZ or 200-240VAC, 50-60Hz (optional)
AC CURRENT .72A at 75W, 1.37A at 150W, 2.7A at 300W, 120VAC input
POWER FACTOR >0.9 at full load output. 0.95 typical
INRUSH CURRENT (Typ.) <30A at 115V and <15A at 230V input
LEAKAGE CURRENT <1mA at 240VAC
OUTPUT
OUTPUT VOLTAGE 12VAC-15VAC
OUTPUT AMPS 21A
MAXIMUM WATTAGE 250W per circuit
VOLTAGE TOLERANCE +/-3%
VOLTAGE ADJUST RANGE 0-15VAC
CURRENT TOLERANCE +/-5% maximum
SETUP, RISE TIME 5 Sec MAX
EFFICIENCY (Typ.) 80~85%
PROTECTION
INPUT SPIKE PROTECTION 220V max instantaneous reacting MOV device, 120VAC input model
OVER CURRENT CONSTANT POWER <120% rated current down to 70% output voltage
SHORT CIRCUIT Output shall shut down and automatically restart
OVER VOLTAGE Output Voltage shall NOT exceed 150% of max rated voltage
OTP (over temperature) Output limiting internal NTC over temperature protection circuit
ENVIRONMENT
INDOOR/OUTDOOR ENCLOSURE NEMA 3R rainproof
WORKING TEMP. nominal -20 to +50 C ambient at full load, linearly derate to 60% of output rating up to 80C
WORKING HUMIDITY 5% to 100%, non-condensing
STORAGE TEMP., HUMIDITY -40 to 80 C, 5% to 95%RH
TEMP. COEFFICIENT 0.1% per degree C maximum
VIBRATION Frequency 5 to 50 Hz, acceleration ±7.35 M/(S*S), direction X,Y and Z Axis
SAFETY & EMC
SAFETY STANDARDS UL Listed, Standard for Safety UL1838, Low Voltage Landscape Lighting Systems. Canadian Standards T.I.L. B-58B.
WITHSTAND VOLTAGE I/P-O/P:3.75KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25C / 70% RH
EMI CONDUCTION & RADIATION Meet FCC Part 15 Class B, CISPR22 Class B
HARMONIC CURRENT Compliance to EN61000-3-2 Class A ; EN61000-3-3
EMS IMMUNITY Compliance to EN61000-4-2,3,4,5,6,8,11.
DIMMING CONTROL
Multi-channel Bluetooth 4.0 RF interface control via IOS, Andriod device and proprietary software application. Integrated 0-255 digital potentiometer voltage control coupled with solid state output circuit. Non- volitile output level memory.
TIMING CONTROL
32.768khz crystal regulated on/off/dim timing, astronomically adjusted via device location. Individual daily, weekly app controlled programming. Internal battery backup.
OTHER
MTBF >100K hours, MIL-HDBK217E at 25 degrees C ambient
NOTES
1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25 of ambient temperature.
2. Ripple & noise are measured at 20MHz of bandwidth by using a 12″ twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.

Models and Specifications Subject to Change Without Notice