Pfannenberg 17111000003 FLZ 520 Thermostat for Heaters, -20 to 40°C Setting
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Pfannenberg 17111000003 is the FLZ 520 enclosure thermostat with a -20 to +40°C (-4 to +104°F) setting range. It has a normally closed contact that opens as the temperature rises. Use it to switch an enclosure heater on when the cabinet gets cold. The setting knob has a red imprint. It snaps onto 35 mm DIN rail.
| Spec | Value |
|---|---|
| Model | FLZ 520 |
| Part number | 17111000003 |
| Contact | N.C. (opens on rising temperature), snap action |
| Use with | Heater |
| Setting range | -20 to +40°C (-4 to +104°F) |
| Switching capacity | 240 V AC, 10 (2) A. 120 V AC, 15 (2) A. DC: max. 30 W (value in brackets: inductive load at cos φ 0.6) |
| Switching difference | Under 7 K |
| Switching point tolerance | ±4 K |
| Operating temperature | -4 to +176°F (-20 to +80°C) |
| Sensor | Bimetal |
| Protection | IP 20 |
| Mounting | Snap-on 35 mm DIN rail (EN 60715) |
| Connection | Screw terminals, 0.5 to 2.5 mm² wire |
| Size W x H x D | 1.57 x 2.83 x 1.42 in (40 x 72 x 36 mm) |
| Weight | 50 g (1.8 oz) |
| Color | RAL 7035 light gray |
| Approvals | UL, cUL, CSA, CE |
Mount it in the upper part of the cabinet, as far as you can from parts that make heat, and keep its vent slots clear. Pair it with an enclosure heater or a Filterfan. Sizing help: enclosure cooling guide and outdoor panels.
Source: Pfannenberg FLZ 510 / FLZ 520 / FLZ 530 product sheet and Pfannenberg USA FLZ 510 to 530 datasheet. Check the current Pfannenberg datasheet before you specify.