1.6 Terminal Block and Wiring Description
Terminal Block
: .................................................... 4 pole, terminal screw with wire guard
Rated torque/ screw size
: ..................................................................... 0,4 Nm / M2,6
Max. rated cross section - Single wire (solid)
: ............................................... 1.5 mm
2
Max. rated cross section - Stranded wire (flex.)
: ........................................... 1.0 mm
2
Max. rated cross section - Stranded wire with ferrules
: ................................0.75 mm
2
For easiest installation the RCM 255 is delivered with factory installed wiring as follows:
Wiring
: ................................. 4 wires, stranded, gauge AWG16 (1.3mm), length 7” (18cm)
Color of wires
: ............black for Hot, red for Load, 2 x white for Neutral (internally coupled)
The wire ends do have the plastic sheathing cut and partially pulled, but not fully removed to
prevents the fraying of wires: Wire ends pre-stripped 0.6" (16mm) with ends left on, blank
cable core 0.2" (5mm)
terminal
screw
insulator
wire guard
terminal
block
Figure 6: RCM 255 terminal block
1.7 Environmental Conditions
Operating Temperature
:..................................................................... -10 up to +45 °C
Storage Temperature
: ........................................................................ -25 up to +80 °C
Humidity
:...................................................................... 0 % to 95 % r.h., no condensing
1.8 Ordering Information
Type
EnOcean Ordering Code
Remarks
RCM 255
H5002-B255
120 VAC / 60Hz
©EnOcean GmbH, A. Anders
Page 9 of 18
RCM 255 User Manual V1.12