Patton electronics 52X User Manual page 4

APPENDIX A
MODEL 52X-ST SPECIFICATIONS
Interface: RS-232, RS-422/485, Ethernet, Token Ring
Connectors: Terminal Strip
Wires Protected: 2, 4, 6, 8 or 10
Surge Capacity: 400A (8/20 µS)
Clamp Voltage: Residual surge
(8/20µS wave form [105 volts])
Maximum Speed: 20 Mbps
Construction: UL94-5V rated flame-retardant plastic
Size: 3.0" (7.62cm) x 1.67" (4.24cm) x .8(2.03cm)
Relative Humidity: 5 to 95%, noncondensing
Temperature: -40 to +85
† Residual surge is a special term defined by the IEEE and
NEMA to replace the term "clamp voltage."
† @ 2 kV (1.2/50µS), 1 kA
O C (-40 to +185 O F)