Power Systems & Controls, Inc.

Model Number	Voltage	Surge Capacity	Protection  Modes	Clamping Voltage
PSA/120Y	120/208, 3-phase, Wye	160,000 Amps/phase	L-N, L-G, N-G	L-N = 330V L-G = 330V N-G = 330V
PSA/277Y	277/480, 3-phase, Wye	160,000 Amps/phase	L-N, L-G, N-G	L-N = 600V L-G = 600V N-G = 600V
PSA/480D	480, 3-phase, Delta	160,000 Amps/phase	L-G, L-L	L-G = 1500V L-L = 1500V
PSB/120Y	120/208, 3-phase, Wye	240,000 Amps/phase	L-N, L-G, N-G	L-N = 330V L-G = 330V N-G = 330V
PSB/277Y	277/480, 3-phase, Wye	240,000 Amps/phase	L-N, L-G, N-G	L-N = 600V L-G = 600V N-G = 600V
PSB/480D	480, 3-phase, Delta	240,000 Amps/phase	L-G, L-L	L-G = 1500V L-L = 1500V
PSC/120Y	120/208, 3-phase, Wye	320,000 Amps/phase	L-N, L-G, N-G	L-N = 330V L-G = 330V N-G = 330V
PSC/277Y	277/480, 3-phase, Wye	320,000 Amps/phase	L-N, L-G, N-G	L-N = 600V L-G = 600V N-G = 600V
PSC/480D	480, 3-phase, Delta	320,000 Amps/phase	L-G, L-L	L-G = 1500V L-L = 1500V

Disconnects available on all of the above model numbers.

Secondary Distribution/At the Load Systems Single Unit Systems

Model Number	Voltage	Surge Capacity	Protection  Modes	Clamping Voltage
PSD/120Y	120/208, 3-phase, Wye	80,000 Amps/phase	L-N, L-G, N-G	L-N = 330V L-G = 330V N-G = 330V
PSD/277Y	277/480, 3-phase, Wye	80,000 Amps/phase	L-N, L-G, N-G	L-N = 600V L-G = 600V N-G = 600V
PSD/480D	480, 3-phase, Delta	80,000 Amps/phase	L-G, L-L	L-G = 1500V L-L = 1500V
PSD/240D	240, 3-phase, Delta	80,000 Amps/phase	L-G, L-L	L-G = 700V L-L = 700V
PSD/120/240S	120/240 split phase	80,000 Amps/phase	L-N, L-G, N-G	L-N = 330V L-G = 330V N-G = 330V
PSE/120Y	120/208, 3-phase, Wye	50,000 Amps/phase	L-N, L-G, N-G	L-N = 330V L-G = 330V N-G = 330V
PSE/277Y	277/480, 3-phase, Wye	50,000 Amps/phase	L-N, L-G, N-G	L-N = 600V L-G = 600V N-G = 600V
PSE/120/240S	120/240, split phase	50,000 Amps/phase	L-N, L-G, N-G	L-N = 330V L-G = 330V N-G = 330V

* For other voltages, please consult the factory.