R. STAHL Load Break Switch and Motor Starter
Circuit Breaker for Motor Protection
Model: 8146/5-V27-207-095-12-21-1 | Article No.: 249216
Key Features
- Line and system protection for Ex e and Ex d motors
- Robust housing made of glass-fiber reinforced polyester resin
- Optional: undervoltage release, working current release, current transformer, auxiliary contact
Product Image Description: The image shows three R. STAHL 8146N motor protection circuit breakers in a grey, robust housing. The devices are designed for use in hazardous environments.
MY R. STAHL 8146N
The circuit breakers for motor protection of the 8146/5-V27 series from R. STAHL protect Ex e and Ex d motors, as well as their associated lines and systems. The standard variants are equipped with an adjustable, phase-sensitive thermal overload release or an electromagnetic instantaneous release, which must be specified when ordering. Retrofitting is not possible.
Technical Data
Explosion Protection
| Scope of Application | European Union (ATEX) IECEx |
|---|---|
| Area of Operation (Zones) | 1, 2, 21, 22 |
| IECEx Certificate Gas | IECEx PTB 06.0090 |
| IECEx Gas Explosion Protection | Ex db eb IIC T5 Gb |
| IECEx Certificate Dust | IECEx PTB 06.0090 |
| IECEx Dust Explosion Protection | Ex tb IIIC T95 °C Db |
| ATEX Certificate Gas | PTB 01 ATEX 1024 |
| ATEX Gas Explosion Protection | II 2 G Ex db eb IIC T5 Gb |
| ATEX Certificate Dust | PTB 01 ATEX 1024 |
| ATEX Dust Explosion Protection | II 2 D Ex tb IIIC T95 °C Db |
| Certifications | ATEX (PTB), IECEx (PTB), India (PESO), Canada (FM), People's Republic of China (NEPSI) |
| Conformity Declarations | ATEX (EUK), People's Republic of China (CCC) |
Electrical Data
| Switching Capacity | 7 kW |
|---|---|
| Trip Voltage AC | 230 V |
| Current Setting Range | 4 - 6.3 A |
| Current Transformer Available | No |
| Auxiliary Contacts | 1 Normally Closed (NC) 1 Normally Open (NO) |
| Release | Undervoltage Release |
| Poles | 3 |
| Frequency Range | 50 - 60 Hz |
Environmental Conditions
| Ambient Temperature | -20°C ... +40°C |
|---|---|
| Ambient Temperature (Fahrenheit) | -4 °F ... +104 °F |
Mechanical Data
| Protection Type (IP) | IP66 |
|---|---|
| Protection Type Note | according to EN/IEC 60529 |
| Housing Material | Polyester resin, glass-fiber reinforced |
| Conductor Cross-Section (solid), min. AWG | AWG 16 |
| Conductor Cross-Section (solid), max. AWG | AWG 8 |
| Conductor Cross-Section (stranded), min. AWG | AWG 16 |
| Gland Type | 8161 |
| Color Handle | Black |
| Color Protective Collar | Black |
| Labeling Rotary Handle | 0-1 |
| Gasket | Silicone, foamed |
| Lockable | 3-way in 0 position |
| Weight | 2.8 kg (6.17 lb) |
Components
| Cable Glands | 3 x M25 Ø 7-17 mm |
|---|
Dimensional Drawing
All dimensions in mm [inches]
Width: 170 [6.69]
Height: 227 [8.94]
Depth: 131 [5.16]
Note: Drawing shows current setting up to 16 A; 1 NC + 1 NO auxiliary contact.
Cable and Line Entries
| Execution | Auxiliary Contacts | Cable and Line Entries Series 8161 |
Blanking Plugs Series 8290 |
|---|---|---|---|
| Current setting up to 16 A | without | M25 x 1.5 | M25 x 1.5 |
| with | M32 x 1.5 | M25 x 1.5 | |
| Current setting 16 ... 20 A, 20 - 22.5 A | without | A, B | C |
| with | A, B, C | A, B | |
| without | C | C | |
| with | A, B | A, B |
