R. STAHL Load Disconnector and Motor Starter
Circuit Breaker for Motor Protection
Model: 8146/5-V27-208-025-12-21-1 | Article No.: 249196
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, ammeter, auxiliary contact
MY R. STAHL 8146N
The R. STAHL 8146/5-V27 load disconnectors for motor protection 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 overcurrent 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 Use (Zones) | 1, 2, 21, 22 |
| IECEx Certificate Gas | IECEx PTB 06.0090 |
| IECEx Gas Explosion Protection | Ex db eb IIC T6 Gb |
| IECEx Certificate Dust | IECEx PTB 06.0090 |
| IECEx Dust Explosion Protection | Ex tb IIIC T80 °C Db |
| ATEX Certificate Gas | PTB 01 ATEX 1024 |
| ATEX Gas Explosion Protection | II 2 G Ex db eb IIC T6 Gb |
| ATEX Certificate Dust | PTB 01 ATEX 1024 |
| ATEX Dust Explosion Protection | II 2 D Ex tb IIIC T80 °C Db |
| Certifications | ATEX (PTB), IECEx (PTB), India (PESO), Canada (FM), People's Republic of China (NEPSI) |
| Declarations of Conformity | ATEX (EUK), People's Republic of China (CCC) |
Electrical Data
| Switching Capacity | 12.4 kW |
|---|---|
| Tripping Voltage AC | 400 V |
| Current Setting Range | 0.16 - 0.25 A |
| Ammeter Present | No |
| Auxiliary Contacts | 1 normally open 1 normally closed |
| Release | Undervoltage release |
| Number of 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 |
| Type of Gland | 8161 |
| Width | 170 mm (6.69 in) |
| Height | 227 mm (8.94 in) |
| Depth | 131 mm (5.16 in) |
| Handle Color | Black |
| Protective Collar Color | Black |
| Handle Labeling | 0-1 |
| Seal | Silicone, foamed |
| Lockable in 0 Position | 3-way |
| Weight | 2.63 kg (5.8 lb) |
Components
| Cable Glands | 3 x M25 Ø 7-17 mm |
|---|
Dimensional Drawing
The dimensional drawing shows the overall dimensions of the unit. All measurements are in millimeters (inches). Changes reserved. The illustrations are not binding.
Diagram Description:
A rectangular device with a rotary handle on the front. The dimensions are indicated: Width 170 [6.69], Height 227 [8.94], Depth 131 [5.16]. The handle is labeled '0-1'. There are connection terminals and cable entry points on the sides and bottom. The diagram also indicates a current setting range up to 16 A with 1 normally open and 1 normally closed auxiliary contact.
Cable and Cable Entry
| Type of Entry | Auxiliary Contacts | Cable and Cable Entries Series 8161 |
Blanking Plug Series 8290 |
|---|---|---|---|
| Current Setting Range up to 16 A |
without | A, B | C |
| with | A, B, C | C | |
| Current Setting Range 16 ... 20 A, 20 - 22.5 A |
without | A, B | C |
| with | A, B | C |
