Interruptores-seccionadores y arrancadores
Disyuntor para la protección del motor
Model: 8146/5-V27-208-055-12-21-1
Art. No.: 249205
Key Features
- Protection for the conduction and installation for motors Ex e and Ex d.
- Robust enclosure made of glass-fiber reinforced polyester resin.
- Optional: Undervoltage release, shunt release for opening, ammeter, auxiliary contact.
The R. STAHL 8146/5-V27 series motor protection circuit breakers protect Ex e and Ex d motors, as well as their cables and installations. Standard variants are equipped with an adjustable thermal overload release sensitive to phase and a quick-acting electromagnetic release. Additional options must be indicated directly when ordering, as they cannot be modified later.
Technical Data
Explosion Protection
| Attribute | Value |
|---|---|
| Scope of validity | European Union (ATEX), IECEX |
| Applications (zones) | 1, 2, 21, 22 |
| IECEX Gas Approval | IECEx PTB 06.0090 |
| IECEx Gas Explosion Protection | Ex db eb IIC T5 Gb |
| IECEx Dust Approval | IECEx PTB 06.0090 |
| IECEx Dust Explosion Protection | Ex tb IIIC T95 °C Db |
| ATEX Gas Approval | PTB 01 ATEX 1024 |
| ATEX Gas Explosion Protection | II 2 G Ex db eb IIC T5 Gb |
| ATEX Dust Approval | PTB 01 ATEX 1024 |
| ATEX Dust Explosion Protection | II 2 D Ex tb IIIC T95 °C Db |
| Certifications | ATEX (PTB), Canada (FM), China (NEPSI), IECEx (PTB), India (PESO) |
| Certificate of Conformity | ATEX (EUK), China (CCC) |
Electrical Data
| Attribute | Value |
|---|---|
| Switching capacity | 12.4 kW |
| Trigger voltage AC | 400 V |
| Current adjustment range | 0.63 - 1 A |
| Ammeter available | No |
| Auxiliary contacts | 1 NC, 1 NA |
| Release | Undervoltage release |
| Number of poles | 3 |
| Frequency range | 50-60 Hz |
Environmental Conditions
| Attribute | Value |
|---|---|
| Ambient temperature | -20°C ... +40°C (-4 °F ... +104 °F) |
Mechanical Data
| Attribute | Value |
|---|---|
| Degree of protection (IP) | IP66 |
| Degree of protection note | According to EN/IEC 60529 |
| Enclosure material | Glass-fiber reinforced polyester resin |
| Conductor cross-section solid min AWG | AWG 16 |
| Conductor cross-section solid max AWG | AWG 8 |
| Conductor cross-section fine-strand min AWG | AWG 16 |
| Thread type | 8161 |
| Width | 170 mm (6.69 in) |
| Width inches | 6.69 in |
| Height | 227 mm (8.94 in) |
| Height inches | 8.94 in |
| Depth | 131 mm (5.16 in) |
| Depth inches | 5.16 in |
| Handle color | Black |
| Protection collar color | Black |
| Rotary switch inscription | 0-1 |
| Gasket | Foamed silicone |
| Can be locked with key | Yes, in triple mode at position 0 |
| Weight | 2.63 kg (5.8 lb) |
| Weight lbs | 5.8 lb |
Components
| Attribute | Value |
|---|---|
| Cable glands | 3 x M25 Ø 7-17 mm |
Measurement diagram (all measurements in [inches]) - Subject to modifications
Cable entry
| Model | Auxiliary contacts | Cable glands series 8161 | Blanking plug series 8290 |
|---|---|---|---|
| Current adjustment range | M25 x 1.5 | M32 x 1.5 | M25 x 1.5 |
| Without | A, B | -- | C |
| With current adjustment up to 16 A | A, B, C | A, B | C |
Current adjustment range
| Attribute | Value |
|---|---|
| Without | C |
| With | A, B |
| 16 ... 20 A, 20 ... 22.5 A | A, B, C |
R. STAHL reserves the right to modify technical data, dimensions, weights, constructions, and delivery options.
