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; "Apollo LOTB")
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Apollo LOTB Low Temperature Overvoltage Bypass
Protects PV System Equipment From High PV Open-Circuit Voltages At Low Temperatures
Automatically Bypasses PV Module at Low Temperatures to Drop Voc
Expand the Input Voltage Range of any Inverter or Charge Controller
Size the PV Array for Optimum Performance
Every PV array can now be sized without regards to high open circuit voltages at low termperatures. The Apollo Solar LTOB automatically switches modules out of the circuit if the temperature falls below the specified point.
Simple, Reliable Operation.
On the graph (see data sheet), the LTOB removes 1 module from the 6-module string keeping Voc under 140V. When the temperature falls below (50F) 10C the LTOB turns on and the top module is switched out of the circuit so the Voc drops to 120V. The 5-module string is below the 140V limit down to -40C. When the temperature rises, the LTOB turns off and the module is switched back into the circuit.
Fast, Easy Installation
The Apollo Solar LTOB units are supplied with an adhesive tape on the back side. Just peel off the backing layer and stick the LTOB and Temperature Sensor to the back of the PV module to be cut from the string. Simply snap the MC connectors together as shown in the diagram (see data sheet). At normal or high temperatures the LTOB connects straight through and the PV array functions normally.
Specifications
Maximum PV Module Voc: 85 VDC (Sanyo HIT200 PV modules are 79.88 Voc at -40C)
Maximum String Voltage: 600 VDC
Maximum String Current: 8 amps DC
LTOB Power Consumption: 10 mA from the PV module
Model Number: 0 10 (Other temperatures available on request).
Turn off temperature: 0C 10C
Turn on temperature: 5C 15C
Temperature-switch accuracy: +/- 2C
Environmental rating: NEMA 4
Weight: 0.5 lbs (0.227 kg)
Dimensions (HWD): 4.6 �x 3.6� x 1.4� (117 x 92 x 36 mm)
Protects PV System Equipment From High PV Open-Circuit Voltages At Low Temperatures
Automatically Bypasses PV Module at Low Temperatures to Drop Voc
Expand the Input Voltage Range of any Inverter or Charge Controller
- Add extra PV module to every string
- Use with any modules up to 85 Voc
- Any string voltage up to 600 VDC
- Switch up to 8 Amps per string
- Choice of temperature point
- Size arrays for maximum power and forget the cold/Voc problem
- MC connectors - quick wiring
- Sticks to back of anhy module
- Very low power consumption
- Failsafe to low voltage output
Size the PV Array for Optimum Performance
Every PV array can now be sized without regards to high open circuit voltages at low termperatures. The Apollo Solar LTOB automatically switches modules out of the circuit if the temperature falls below the specified point.
Simple, Reliable Operation.
On the graph (see data sheet), the LTOB removes 1 module from the 6-module string keeping Voc under 140V. When the temperature falls below (50F) 10C the LTOB turns on and the top module is switched out of the circuit so the Voc drops to 120V. The 5-module string is below the 140V limit down to -40C. When the temperature rises, the LTOB turns off and the module is switched back into the circuit.
Fast, Easy Installation
The Apollo Solar LTOB units are supplied with an adhesive tape on the back side. Just peel off the backing layer and stick the LTOB and Temperature Sensor to the back of the PV module to be cut from the string. Simply snap the MC connectors together as shown in the diagram (see data sheet). At normal or high temperatures the LTOB connects straight through and the PV array functions normally.
Specifications
Maximum PV Module Voc: 85 VDC (Sanyo HIT200 PV modules are 79.88 Voc at -40C)
Maximum String Voltage: 600 VDC
Maximum String Current: 8 amps DC
LTOB Power Consumption: 10 mA from the PV module
Model Number: 0 10 (Other temperatures available on request).
Turn off temperature: 0C 10C
Turn on temperature: 5C 15C
Temperature-switch accuracy: +/- 2C
Environmental rating: NEMA 4
Weight: 0.5 lbs (0.227 kg)
Dimensions (HWD): 4.6 �x 3.6� x 1.4� (117 x 92 x 36 mm)
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