R. STAHL Load Disconnector and Motor Starter
Circuit breaker for motor protection
Model: 8146/5-V27-207-075-12-21-1 | Article No.: 249210
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, on-load changeover switch, current meter, auxiliary contact.
Model Series: MY R. STAHL 8146N
The R. STAHL 8146/5-V27 load disconnectors and motor starters 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
| Parameter | Value |
|---|---|
| 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 | Conformity Declarations: ATEX (PTB), IECEx (PTB), India (PESO), Canada (FM), People's Republic of China (NEPSI) ATEX (EUK), People's Republic of China (CCC) |
Electrical Data
| Parameter | Value |
|---|---|
| Switching capacity | 7 kW |
| Trigger voltage AC | 230 V |
| Current setting range | 1.6 - 2.5 A |
| Current meter available | No |
| Auxiliary contacts | 1 normally open, 1 normally closed |
| Release | Undervoltage release |
| Poles | 3 |
| Frequency range | 50 - 60 Hz |
Environmental Conditions
| Parameter | Value |
|---|---|
| Ambient temperature | -20°C ... +40°C (-4°F ... +104°F) |
Mechanical Data
| Parameter | Value |
|---|---|
| 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, fine-stranded, min. AWG | AWG 16 |
| Type of screw connection | 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 |
| Labeling of rotary handle | 0-1 |
| Gasket | Silicone, foamed |
| Lockable in | 3 positions in 0-position |
| Weight | 2.7 kg (5.95 lb) |
Components
Cable glands
3 x M25 Ø 7-17 mm
Dimensional drawing (all dimensions in mm [in]) – Changes reserved.
[Diagram showing dimensions and details of the circuit breaker]
Current setting range up to 16 A; 1 normally open + 1 normally closed contact
| Conductor cross-section range | Auxiliary contacts | Cable and conductor entries, Series 8161 | Blanking plugs, Series 8290 |
|---|---|---|---|
| Up to 16 A | without A, B, C | M25 x 1.5 | M25 x 1.5 |
| Current setting range up to 16 A | with A, B, C | M32 x 1.5 | - |
| Current setting range 16 ... 20 A, 20 ... 22.5 A | without C | A, B | A, B |
| Current setting range 16 ... 20 A, 20 ... 22.5 A | with A, B, C | C | A, B |
General Notes
Changes to technical data, dimensions, weights, constructions, and delivery options are reserved. Illustrations are non-binding.
