Technical data
BD / ED / FD 01/2006 page 41/49
Unit size FD 23 FD 53 FD 115 FD 240
Interior dimensions
Width mm
inch
222
8.74
400
15.75
600
23.62
800
31.50
Height mm
inch
330
12.99
400
15.75
480
18.90
600
23.62
Depth mm
inch
277
10.91
330
12.99
400
15.75
500
19.69
Interior volume l
cu.ft.
20
0.7
53
1.9
115
4.1
240
8.6
Number of racks regular /
max.
2/3 2/5 2/6 2/7
Load per rack Kg
lbs
12
26
15
33
20
44
30
66
Permitted total load Kg
lbs
25
55
40
88
50
110
70
155
Weight (empty) Kg
lbs
33
73
44
97
62
137
96
212
Temperature data
Temperature range, 5°C above ambient up to °C
°F
300
572
300
572
300
572
300
572
at 70°C ± °C 0.8 0.8 0.7 0.8
at 150°C ± °C 2.2 2 1.8 2
Temperature variation 1)
at 300°C ± °C 4.3 3.7 3.9 4.3
Temperature fluctuation
≤± °C
0.3 0.3 0.3 0.3
to 70°C Min 7 7 7 11
to 150°C Min 22 22 28 24
Heating up time 2)
to 250°C Min 45 45 49 50
at 70°C Min 2 2 2 2
at 150°C Min 4 4 5 6
Recovery time after door was open
for 30 sec 2)
at 300°C Min 9 9 12 13
at 70°C x/h 59 59 29 19
at 150°C x/h 64 64 32 20
Air change
at 300°C x/h 53 53 26 18
Electrical data
IP system of protection acc. to EN 60529 IP 20 20 20 20
Nominal voltage (±10%) 50/60 Hz V 230 1N~ 230 1N~ 230 1N~ 230 1N~
Nominal power W 800 1200 1600 2700
Mains plug shock proof plug
Unit fuse
5x20mm / 230V / time-lag M
A 10
external
10
external
10
external
16
external
at 70°C W 145 145 230 370
at 150°C W 300 300 544 850
Energy consumption
at 300°C W 720 720 1100 1400
Installation category acc. to IEC 1010-1 II II II II
Pollution degree acc. to IEC 1010-1 2 2 2 2
Electrical connection data FD-UL acc. to CUL standard (for USA and Canada):
Unit size FD 23-UL FD 53-UL FD 115-UL FD 240-UL
Electrical data
Nominal voltage (±10%) 60 Hz V 115 1N~ 115 1N~ 115 1N~ 208 3N~
Nominal power kW 0.80 1.20 1.60 2.70
Nominal current A 7.0 10.5 14.0 11.2
Mains plug NEMA 5-15P 5-20P 5-20P L21-20P
Unit fuse
6,3 x 32 mm / 250V / super time-lag TT
A 12,5
external
16
external
16
external
3 x 16
internal
Legend: 1) without outer glass door 2) up to 98 % of the set value
All technical data are specified for units with standard equipment at an ambient temperature of +25°C and
a mains voltage fluctuation of ±10. The temperature data are determined in accordance to DIN 12880,