Load resistors ALW & braking resistors
Compacted resistor with rectangular cross-section, some with cooling fins. Multiple modules available. Protection classes up to IP 64 are possible.
Load resistors ALW & braking resistors FBW
Compacted resistor with rectangular cross-section, some with cooling fins. Multiple modules available. Protection classes up to IP 64 are possible.
Technical data
| Tensions |
up to 800 V |
| Temperature |
up to max. 180°C |
| Impedance |
1 – 500 Ohm |
| High voltage strength |
4’000 V |
| Connections |
PTFE-insulated stranded wire or terminal box |
| Versions |
Thermocouple available in various cross-sections and Lengths; UL approved |
Areas of application
- • Apparatus engineering
- • Power resistors are designed to smooth peaks within
- • Electrical industry
- • Frequency converter
- • Mechanical engineering
Load resistors
Type ALW 40
Key performance indicators
- Resistance R20 1-1000 Ω, Tolerances +/- 10%
- High voltage strength: 4000 V DC
- Pulse voltage: U max 970 V DC
- Insulation resistance: ≥ 10 MΩ
- Maximum permissible surface temperature: 250°C
Construction
- Resistance wire: NiCr or similar alloy
- Housing: Aluminum profile 40 x 20
- Connections: PTFE-insulated stranded wire
- Protection class: IP23
- Option: Bimetal protector to protect against thermal overload (Switching capacity e.g. 0.5 A/230 V)
- Fastening: directly with M5 screws
Technical data (ALW 40)
| Short-term peak power | Rated continuous power | Length | Breite x Höhe | Wärmekapazität |
|---|---|---|---|---|
|
2600 W |
35 W |
160 mm |
40 x 20 mm |
0,21 kJ/k |
|
4000 W |
60 W |
240 mm |
40 x 20 mm |
0,21 kj/K |
|
5000 W |
80 W |
300 mm |
40 x 20 mm |
0,43 kJ/K |
| Article no. | Length | Widerstand |
|---|---|---|
|
TH 077006 |
160 mm |
200 Ohm |
|
TH 077005 |
240 mm |
100 Ohm |
|
TH 077004 |
240 mm |
370 Ohm |
|
TH 077003 |
240 mm |
470 Ohm |
|
TH 077008 |
300 mm |
82 Ohm |
|
TH 077007 |
300 mm |
240 Ohm |
