R. STAHL 8146/5-V27 Motor Protection Circuit Breaker
Article No. 249196
Product Overview
The R. STAHL 8146/5-V27 motor protection circuit breakers are designed for the protection of Ex e and Ex d motors, as well as associated conductors and systems. Standard versions are equipped with an adjustable thermal overload release and a phase-sensitive magnetic instantaneous release. Retrofitting is not possible.
Key features include:
- Protection for conductors and systems in Ex e and Ex d environments.
- Robust housing made of glass-fiber reinforced polyester resin.
- Optional: undervoltage release, shunt trip release, ammeter, auxiliary contact.
MY R. STAHL 8146N ®
Technical Specifications
Explosion Protection
| Application Area | Application Domain (Zones) | IECEx Certificate Gas | IECEx Protection Against Gas Explosion | IECEx Certificate Dust | IECEx Protection Against Dust Explosion | ATEX Certificate Gas | ATEX Protection Against Gas Explosion | ATEX Certificate Dust | ATEX Protection Against Dust Explosion | Certificates | Certificate of Conformity | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| European Union (ATEX) | IECEx | 1, 2, 21, 22 | IECEX PTB 06.0090 | Ex db eb IIC T6 Gb | IECEX PTB 06.0090 | Ex tb IIIC T80 °C Db | PTB 01 ATEX 1024 | II 2 G Ex db eb IIC T6 Gb | PTB 01 ATEX 1024 | II 2 D Ex tb IIIC T80 °C Db | ATEX (PTB), Canada (FM), China (NEPSI), IECEx (PTB), India (Peso) | ATEX (EUK), China (CCC) |
Electrical Characteristics
| Characteristic | Value |
|---|---|
| Switching Capacity | 12.4 kW |
| AC Shunt Trip Voltage | 400 V |
| Current Adjustment Range | 0.16 - 0.25 A |
| Ammeter Present | No |
| Auxiliary Contacts | 1 NF, 1 NO |
| Release | Undervoltage release |
| 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 Approval | According to EN/IEC 60529 |
| Housing Material | Polyester resin, reinforced with glass fibers |
| Min. Solid Conductor Connection Section (AWG) | AWG 16 |
| Max. Solid Conductor Connection Section (AWG) | AWG 8 |
| Min. Fine-Stranded Conductor Connection Section (AWG) | AWG 16 |
| Screw Connection Type | 8161 |
| Width | 170 mm (6.69 in) |
| Height | 227 mm (8.94 in) |
| Depth | 131 mm (5.16 in) |
| Handle Color | Black |
| Protection Cover Color | Black |
| Rotary Handle Inscription | 0-1 |
| Seal | Foamed silicone |
| Lockable | Yes, in triple 0 position |
| Weight | 2.63 kg (5.8 lb) |
Components
| Component | Specification |
|---|---|
| Cable Glands | 3 x M25 Ø 7 - 17 mm |
Outline Drawing
Dimensions are in mm [inches]. Subject to modifications.
Cable Entries:
| Current Adjustment Range | Version | Auxiliary Contacts | Cable Glands Series 8161 | Blanking Plugs Series 8290 |
|---|---|---|---|---|
| Up to 16 A | Without | A, B | M25 x 1.5 | C |
| Up to 16 A | With | A, B, C | M25 x 1.5 | C |
| 16 ... 20 A, 20 - 22.5 A | Without | A, B | M32 x 1.5 | C |
| 16 ... 20 A, 20 - 22.5 A | With | A, B | M32 x 1.5 | C |
Modifications to technical specifications, dimensions, designs, and delivery options are reserved. Figures are for indicative purposes only.
