Operating voltage (24 V~, ⏊, )
AC 24 V -15 / +20 % (SELV / PELV) or
AC 24 V Class 2 (US)
48…63 Hz
Functional ground (US)
Functional earth
The terminal for the functional ground must be
connected on the installation side with the building
grounding system (PE).
Screw terminals for wire cross sections up to
3.15 A irreversible / non-replaceable
External supply line fusing (EU)
Non-renewable fuse max. 10 A slow-blow
or
circuit breaker max. 13 A
Tripping characteristic B, C, D per EN 60898
or
Power supply with current limitation of max. 10 A
Power consumption (for transformer planning)
Base load
With M-Bus, with KNX
12 VA / 0.5 A
19 VA / 0.8 A
Data backup in the event of power failure
Energy reserve (Supercap) to support real-time clock (7 days).
Energy reserve can be extended to min. 1 month using optional battery CR2032
(Battery safety requirement and specification for CR2032 according to IEC 60086-4 or UL1642.
Battery must be rated for ambient temperature 70 °C (158 °F))
Data available if stored to flash memory. Occurs every 5 minutes.
10Base-T / 100Base-TX, IEEE 802.3 compatible
BACnet on UDP/IP and HTTPS on TCP/IP
Cabling (in-house cabling only), cable type
10 Mbps: Min. CAT3, shielded cable is recommended
100 Mbps: Min. CAT5, shielded cable is recommended
Cu-wire or Cu-strand with wire end sleeve
1 x 0.6 mm ∅ to 2.5 mm
2
(22 to 14 AWG)
or 2 x 0.6 mm ∅ to 1.0 mm
2
(22 to 18 AWG)
Cu-strand without wire end sleeve
1 x 0.6 mm ∅ to 2.5 mm
2
(22 to 14 AWG)
or 2 x 0.6 mm ∅ to 1.5 mm
2
(22 to 16 AWG)