R. STAHL 8146/5-V27 Motor Protection Circuit Breaker
Article Number: 147187
Product Description
The R. STAHL 8146/5-V27 series motor protection circuit breakers are designed to protect motors in Ex e and Ex d environments, as well as their associated cables and installations. Standard variants are equipped with an adjustable thermal overload trip and a fast-acting electromagnetic trip. Additional options must be specified at the time of order as they cannot be modified later.
Key features include:
- Protection for Ex e and Ex d installations.
- Robust fiberglass-reinforced polyester enclosure.
- Optional: Undervoltage release, shunt opening release, ammeter, auxiliary contact.
Technical Data
Explosion Protection
| Validity Scope | Application (Zones) | Certifications |
|---|---|---|
| European Union (ATEX) | 1, 2, 21, 22 | PTB 01 ATEX 1024 (II 2 G Ex db eb IIC T5 Gb for gas, II 2 D Ex tb IIIC T95 °C Db for dust) |
| IECEx | 1, 2, 21, 22 | IECEx PTB 06.0090 (Ex db eb IIC T5 Gb for gas, Ex tb IIIC T95 °C Db for dust) |
| Other Certifications | ATEX (PTB), Canada (FM), China (NEPSI), IECEx (PTB), India (PESO), ATEX (EUK), China (CCC) | |
Electrical Data
| Parameter | Specification |
|---|---|
| Trigger voltage AC | 1 - 1.6 A |
| Adjustable current range | 1 - 1.6 A |
| Ammeter available | No |
| Auxiliary contacts | None |
| Release | None |
| Number of poles | 3 |
| Frequency range | 50 - 60 Hz |
Environmental Conditions
| Parameter | Specification |
|---|---|
| Ambient temperature | -20°C ... +40°C (-4°F ... +104°F) |
Mechanical Data
| Parameter | Specification |
|---|---|
| Degree of protection (IP) | IP66 |
| Degree of protection note | According to EN/IEC 60529 |
| Enclosure material | Polyester resin, reinforced with fiberglass |
| Conductor cross-section, solid wire min. AWG | AWG 16 |
| Conductor cross-section, solid wire max. AWG | AWG 8 |
| Conductor cross-section, fine wire min. AWG | AWG 16 |
| Cable gland type | 8290 |
| Threaded connection type | 8161 |
| Width | 112.5 mm (4.43 in) |
| Height | 227 mm (8.94 in) |
| Depth | 131 mm (5.16 in) |
| Handle color | Black |
| Protection collar color | Black |
| Rotary actuator inscription | None |
| Gasket | Silicone, foamed |
| Lockable | Yes, in triple position 0 |
| Weight | 2.63 kg (5.8 lb) |
Components
| Component | Specification |
|---|---|
| Cable glands | 2 x M25 Ø 7-17 mm |
| Cable gland cap | 1 x M25 |
Cable Entry
| Model | Auxiliary contacts | Cable gland series 8161 | Cable gland cap series 8290 |
|---|---|---|---|
| Current adjustment range up to 16 A, without auxiliary contacts | None | M25 x 1.5 | M25 x 1.5 |
| Current adjustment range up to 16 A, with auxiliary contacts A, B, C | A, B, C | M32 x 1.5 | M25 x 1.5 |
Current Adjustment Range
| Condition | Specification |
|---|---|
| Without adjustment | - |
| With adjustment | A, B |
| 16 ... 20 A, 20 ... 22.5 A | A, B, C |
R. STAHL reserves the right to modify technical data, dimensions, weights, constructions, and delivery options.
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