Micom P634 - Page 31

Communication interface IEC 61850
●
Fiber (X7, X8)
o
optical fiber connection BFOC-ST
®
connector 2.5 per IEC 60874‑10 (for
glass fibers).
(ST
®
is a registered trademark of AT&T Lightguide Cable Connectors.)
●
Fiber (X13)
o
SC connector per IEC 60874‑14‑4 (for glass fibers)
●
Wire leads (X12)
o
RJ45 connector per ISO/IEC 8877.
Current measuring inputs (conventional inputs)
●
Threaded terminal ends, pin-type cable lugs: M5, self-centering with cage
clamp to protect conductor cross-sections ≤ 4 mm² (US: AWG12), or
●
Threaded terminal, ring-terminal connection: M4.
Other inputs and outputs
●
Threaded terminal ends, pin-type cable lugs: M3, self-centering with cage
clamp to protect conductor cross-sections 0.2 to 2.5 mm² (US: AWG25 to
AWG14), or
●
Threaded terminal ends, ring-type cable lugs: M4.
Creepage Distances and Clearances
●
Per EN 60255-27.
●
Pollution degree 3, working voltage 250 V,
●
overvoltage category III, impulse test voltage 5 kV.
2 Technical Data P634
P634/EN M/R-42-A // P634‑311‑653 2-3