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| PSK-50 | SSP-50X | SSP-50XL | EMS-PT50X | EMS-LCHW50 | EMS-HW50C |
Amps/Volts | 50A, 120/240V | 50A, 120/240V | 50A, 120/240V | 50A, 120/240V | 50A, 120/240V | 50A, 120/240V |
Surge Rating | 45,000A max current spike/ 2,030 joules | 45,000A max current spike/ 1,650 joules | 45,000A max current spike/ 1,650 joules | 88,000A max current spike/ 3,580 joules | 88,000A max current spike/ 3,580 joules | 88,000A max current spike/ 3,580 joules |
Response Time | < 1 nanosecond (10 second) | < 1 nanosecond (10 second) | < 1 nanosecond (10 second) | < 1 nanosecond (10 second) | < 1 nanosecond (10 second) | < 1 nanosecond (10 second) |
Indication | Separate LED Tester | Integrated LEDs | Integrated LEDs | Integrated Digital Display | Integrated Digital Display | Remote Digital Display |
Over/Under Voltage Protection | | | | ✓ | ✓ | ✓ |
Faults | Open Hot Indication, Open Ground Indication, Open Neutral Indication, Reverse Polarity Indication, Hot/Ground Reversed Indication | Open Hot Indication, Open Ground Indication, Open Neutral Indication, Reverse Polarity Indication | Open Hot Indication, Open Ground Indication, Open Neutral Indication, Reverse Polarity Indication | Open Hot Indication, Open Ground Protection, Open Neutral Protection, Reverse Polarity Protection | Open Hot Indication, Open Ground Protection, Open Neutral Protection, Reverse Polarity Protection | Open Hot Indication, Open Ground Protection, Open Neutral Protection, Reverse Polarity Protection |
Mounting Style | Power Pedestal | Power Pedestal | Power Pedestal | Power Pedestal | Vehicle Hardwired | Vehicle Hardwired |
Weather Resistant Cover Included | | | ✓ | ✓ | | |
UL/ CSA Certified | ✓ | | ✓ | | ✓ | ✓ |