R. STAHL 8146/5-V27 Motor Protection Circuit Breaker
Model: 8146/5-V27-210-115-12-21-1 | Article No. 249224
Product Description
The R. STAHL 8146/5-V27 motor protection circuit breakers are designed for the protection of conductors and associated systems in Ex e and Ex d environments. Standard versions are equipped with an adjustable, phase-sensitive thermal overload release. Electromagnetic instantaneous releases are available as an option and must be specified at the time of order. Retrofitting is not possible.
Key Features:
- Protection for conductors and systems for Ex e and Ex d motors.
- Robust housing made of glass-fiber reinforced polyester resin.
- Optional: undervoltage release, earth-leakage release, ammeter, auxiliary contact.
Technical Specifications
Explosion Protection
| Field of application | European Union (ATEX), IECEx |
| Application range (zones) | 1, 2, 21, 22 |
| IECEx gas certificate | IECEx PTB 06.0090 |
| IECEx explosion protection for gas | Ex db eb IIC T5 Gb |
| IECEx dust certificate | IECEx PTB 06.0090 |
| IECEx explosion protection for dust | Ex tb IIIC T95 °C Db |
| ATEX gas certificate | PTB 01 ATEX 1024 |
| ATEX explosion protection for gas | II 2 G Ex db eb IIC T5 Gb |
| ATEX dust certificate | PTB 01 ATEX 1024 |
| ATEX explosion protection for dust | II 2 D Ex tb IIIC T95 °C Db |
| Certificates | ATEX (PTB), Canada (FM), China (NEPSI), IECEx (PTB), India (Peso) |
| Certificate of conformity | ATEX (EUK), China (CCC) |
Electrical Characteristics
| Switching capacity | 16 kW |
| AC undervoltage release voltage | 500 V |
| Current setting range | 9-12.5 A |
| Ammeter present | No |
| Auxiliary contacts | 1 NF, 1 NO |
| Release | Undervoltage release |
| Number of poles | 3 |
| Frequency range | 50-60 Hz |
Mechanical Characteristics
| Ambient temperature | -20°C ... +40°C (-4 °F ... +104 °F) |
| Degree of protection (IP) | IP66 |
| Degree of protection notice | according to EN/IEC 60529 |
| Housing material | Polyester resin, reinforced with glass fibers |
| Conductor cross-section, solid, min. AWG | AWG 16 |
| Conductor cross-section, solid, max. AWG | AWG 8 |
| Conductor cross-section, fine-stranded, min. AWG | AWG 16 |
| Type of screw terminal connection | 8161 |
| Width | 170 mm (6.69 in) |
| Height | 227 mm (8.94 in) |
| Depth | 131 mm (5.16 in) |
| Handle color | Black |
| Protection cap color | Black |
| Rotary switch inscription | 0-1 |
| Seal | Silicone, foamed |
| Lockable | Triple lock |
| Weight | 3.35 kg (7.39 lb) |
Components
| Cable glands | 3 x M25 Ø 7-17 mm |
Outline Drawing
The outline drawing shows the overall dimensions of the unit. All dimensions are in mm [inches].
Dimensions:
- Width: 170 [6.69] mm [in]
- Height: 227 [8.94] mm [in]
- Depth: 131 [5.16] mm [in]
- Internal dimensions for cable entry: 161 [6.34] mm [in]
- Cable entry diameter: Ø 0.28 [0.63] mm [in]
Cable Entries
| Version | Auxiliary contacts | Cable glands series 8161 | Blanking plugs series 8290 |
|---|---|---|---|
| Current setting range without up to 16 A; 1 NF + 1 NO | A, B | M25 x 1.5 | C |
| Current setting range with up to 16 A | A, B, C | M32 x 1.5 | C |
| Current setting range 16 ... 20 A, 20 ... 22.5 A | C | A, B | C |
Additional Information
Subject to technical modifications, changes in dimensions, weight, construction types, and delivery options. Figures are for indicative purposes only.
