R. STAHL 8146/5-V27 Motor Protection Circuit Breaker
Article No. 249245
Product Description
The R. STAHL 8146/5-V27 motor circuit breakers are designed to protect Ex e and Ex d motors, as well as associated conductors and systems. Standard versions are equipped with an adjustable thermal overcurrent release and phase-sensitive or instantaneous electromagnetic release, which must be specified at the time of order. Retrofitting is not possible.
Key features include:
- Protection for conductors and systems for Ex e and Ex d motors.
- Robust housing made of glass-fiber reinforced polyester resin.
- Optional: undervoltage release, starting current release, ammeter, auxiliary contact.
Technical Specifications
Explosion Protection
| Application Area | Details |
|---|---|
| Application Domain (Zones) | European Union (ATEX), IECEx |
| Application Domain (Zones) | 1, 2, 21, 22 |
| IECEx Gas Certificate | IECEx PTB 06.0090 |
| IECEx Gas Explosion Protection | Ex db eb IIC T5 Gb |
| IECEx Dust Certificate | IECEx PTB 06.0090 |
| IECEx Dust Explosion Protection | Ex tb IIIC T95 °C Db |
| ATEX Gas Certificate | PTB 01 ATEX 1024 |
| ATEX Gas Explosion Protection | II 2 G Ex db eb IIC T5 Gb |
| ATEX Dust Certificate | PTB 01 ATEX 1024 |
| ATEX Dust Explosion Protection | 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
| Characteristic | Value |
|---|---|
| AC Trigger Voltage | 2.5 – 4 A |
| Current Adjustment Range | Not specified |
| Ammeter Present | No |
| Auxiliary Contacts | 1 NO, 1 NF |
| Release | None |
| Number of Poles | 3 |
| Frequency Range | 50-60 Hz |
Ambient Conditions
| Condition | Value |
|---|---|
| Ambient Temperature | -20°C ... +40°C (-4 °F ... +104 °F) |
Mechanical Characteristics
| Characteristic | Value |
|---|---|
| Degree of Protection (IP) | IP66 |
| Degree of Protection Notice | According to EN/IECI 60529 |
| Housing Material | Polyester resin, reinforced with glass fibers |
| Conductor Connection (Solid, min. AWG) | AWG 16 |
| Conductor Connection (Solid, max. AWG) | AWG 8 |
| Conductor Connection (Fine-stranded, min. AWG) | AWG 16 |
| Screw Terminal Type | 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 Knob Inscription | 0-1 |
| Seal | Silicone, foamed |
| Lockable | Triple lock in 0 position |
| Weight | 2.63 kg (5.8 lb) |
Components
| Component | Details |
|---|---|
| Cable Glands | 3 x M25 Ø 7-17 mm |
Outline Drawing
A diagram shows the dimensions of the device in millimeters and inches. The main dimensions are: Width 170 mm [6.69 in], Height 227 mm [8.94 in], Depth 131 mm [5.16 in]. Specific internal dimensions are also indicated.
Cable Entries
M25 x 1.5 M25 x 1.5| Version | Auxiliary Contacts | Cable Glands Series 8161 | Blanking Plugs Series 8290 |
|---|---|---|---|
| Without current adjustment up to 16 A | None | A, B | C |
| With current adjustment up to 16 A | 1 NO + 1 NF | A, B, C | C |
Current Adjustment Range
| Current Adjustment Range | Version | Cable Glands Series 8161 | Blanking Plugs Series 8290 | |
|---|---|---|---|---|
| Without | C | - | A, B | - |
| With | A, B | C | A, B | C |
| 16 ... 20 A, 20 ... 22.5 A | C | - | A, B | - |
Subject to technical modifications, dimensions, weights, construction types, and delivery possibilities. Figures are for indicative purposes only.
Related Documents
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R. STAHL 8146/5-V27 Motor Protection Circuit Breaker Datasheet Technical specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, designed for Ex e and Ex d applications. |
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R. STAHL 8146/5-V27 Motor Protection Circuit Breaker Technical specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, designed for Ex e and Ex d motors and associated systems. Includes details on explosion protection, electrical characteristics, mechanical specifications, and components. |
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R. STAHL 8146/5-V27 Motor Protection Circuit Breaker - Technical Specifications Detailed technical specifications for the R. STAHL 8146/5-V27 motor protection circuit breaker, including explosion protection, electrical characteristics, mechanical features, and dimensions. Suitable for Ex e and Ex d motors. |
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R. STAHL 8146/5-V27 Motor Protection Circuit Breaker - Technical Specifications Detailed technical specifications for the R. STAHL 8146/5-V27 motor protection circuit breaker, including explosion protection features, electrical characteristics, mechanical specifications, and components. Suitable for Ex e and Ex d motors. |
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R. STAHL 8146/5-V27 Motor Protection Circuit Breaker - Technical Specifications Detailed technical specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, including ATEX and IECEx certifications, electrical characteristics, and mechanical dimensions. |
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R. STAHL 8146/5-V27 Motor Protection Circuit Breaker - Technical Data Detailed technical specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, including explosion protection, electrical characteristics, and mechanical specifications. |
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R. STAHL 8146/5-V27 Motor Protection Circuit Breaker - Technical Data Detailed technical specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, including explosion protection, electrical characteristics, and mechanical specifications. |
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R. STAHL 8146/5-V27 Motor Protection Circuit Breaker Technical specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, designed for Ex e and Ex d applications. |