Datasheet
Thermostat Serie FLZ
Mechanical bi-metallic thermostat for temperature in enclosures.
Suitable for Pfannenberg Filterfans
®
and heaters and also for monitoring
temperature.
Different models available fitted with either change-over contact with
neutral position, NCC or NOC. Function at increasing temperature. AS-i
slave module also available.
We reserve the right to technical alterations.Subject to correction. 075000031
FLZ 510 FLZ 520 / FLZ 530 / FLZ 550-AS-i
L
N
1 2
LOAD
FLZ 510
capillary sensor
FLZ 530
NOC
L
N
1 2
LOAD
FLZ 520
NCC
FLZ 510 1K FLZ 510 3K / 7K
1
2
3
4
RF
LN
LN
1
2
3
FLZ 550 AS-i
113
ELECTRO-TECHNOLOGY FOR INDUSTRY
Technical data: FLZ 510 FLZ 520 FLZ 530 FLZ 550 AS-i
Type of contact
change over switch
NCC with spring contact NOC with spring contact integrated AS-i bus slave
with spring contact
- 20 °C (- 4 °F) ... + 40 °C (+ 104 °F)
Available setting ranges 0 °C (+32 °F) ... + 60 °C (+ 140 °F) -10°C (+14°F) ... +60°C (+140°F)
+ 20 °C (+ 68 °F) ... + 80 °C (+ 176 °F)
Max. breaking capacity, value in brackets
NCC: 100-250V AC/10(2)A 240V AC / 10(2) A < 20 mA
inductive load at cos(phi) = 0,6
NOC: 100-250V AC/5(2)A 120V AC / 15(2) A 26,5 V ... 31,6 V
DC: max. 30W DC: max. 30W AS-i profile: S-BA
1K: thermal return
Breaking temperature difference 3K: without thermal return < 7K 1 - 4K
7K: capillary sensor
Tolerance for switching point +/- 3K +/- 4K +/- 2K
Sensor
bimetal or remote sensor
bimetal NTC
with 1,5 m capillary
Connection 0,5 - 2,5 mm
2
screw clamps 1,3 mm DC Jack
Colour RAL 7035 - light grey
Weight 75 g 50 g 50 g 55 g
System of protection IP20
Working / storage temperature range – 20 °C (- 4 °F) ... + 80 °C (+ 176 °F) -25°C (-13°F) ... +80°C (+176°F)
Mounting method snap fastening for 35 mm profile bars in accordance with EN 60715 (FLZ 520/530: for Pfannenberg Exhaust Filter PFA 3000 too)
FLZ 550 AS-i not for headfirst mounting
Approvals UL approval applied for UL approval AS-i
IP 20
Level of
protection
suitable for both
50 Hz and 60 Hz
AC DC