28
Rittal cooling unit assembly and operating instructions
9 Technical specifications
EN
Unit
Model no. SK
e-Comfort controller,
RAL 7035
–
3386.540
3387.540
e-Comfort controller,
stainless steel cover
–
3386.640
3387.640
Rated voltage
V, Hz
400, 3~, 50/
460, 3~, 60
Rated current
A
3.4/3.4
3.9/3.9
Start-up current
A
8.0/9.0
17.0/19.0
Pre-fuse T
A
6.3 – 10.0
Motor circuit-breaker
–
䡲
Transformer circuit-breaker
–
–
Miniature circuit breaker or
fuse gG (T)
–
–
Useful cooling output Q
k
L 35 L 35
to DIN 3168
L 35 L 50
W
W
3000/3300
2200/2500
4000/4200
3250/3490
Power consumption P
el
L 35 L 35
to DIN 3168
L 35 L 50
W
W
1190/1500
1440/1780
1630/2070
1880/2350
Refrigeration factor
ε
= Q
k
/P
el
2.5
Refrigerant
– Type
– Filling
–
g
R134a
1600
R134a
1800
Admissible pressure
bar
25
Temperature setting range
°C
+20 to +55
Noise level
dB (A) 64
70
Type of connection
–
Plug-in terminal strip
Protection category to EN 60 529
– Internal circuit
– External circuit
–
–
IP 54
IP 34
Dimensions (W x H x D)
mm
796 x 470 x 580
Air throughputs of the fans
(unimpeded airflow)
– Internal circuit
– External circuit
m
3
/h
m
3
/h
1280
3450
1420
3870
Weight
kg
70
77
.
.
Summary of Contents for SK 3273.xxx
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