R. STAHL 8146/5-V27 Motor Protection Circuit Breaker
Article No. 249248
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 quick-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 and motors.
- Robust fiberglass-reinforced polyester enclosure.
- Optional: undervoltage release, shunt trip release, ammeter, auxiliary contact.
Explosion Protection Data
Area of Validity: European Union (ATEX)
Applications (Zones): IECEx: 1, 2, 21, 22
IECEx Gas Explosion Protection:
- Homologation: IECEx PTB 06.0090
- Protection: Ex db eb IIC T5 Gb
IECEx Dust Explosion Protection:
- Homologation: IECEx PTB 06.0090
- Protection: Ex tb IIIC T95 °C Db
ATEX Gas Explosion Protection:
- Homologation: PTB 01 ATEX 1024
- Protection: II 2 G Ex db eb IIC T5 Gb
ATEX Dust Explosion Protection:
- Homologation: PTB 01 ATEX 1024
- Protection: II 2 D Ex tb IIIC T95 °C Db
Certifications: ATEX (PTB), Canada (FM), China (NEPSI), IECEx (PTB), India (PESO), ATEX (EUK), China (CCC)
Electrical Data
- Trigger Voltage AC: Not applicable
- Current Adjustment Range: 9–12.5 A
- Ammeter Available: No
- Auxiliary Contacts: 1 NO, 1 NC
- Trip: None
- Number of Poles: 3
- Frequency Range: 50–60 Hz
Mechanical Data
Ambient Temperature: -20°C ... +40°C (-4 °F ... +104 °F)
Degree of Protection (IP): IP66 (According to EN/IEC 60529)
Enclosure Material: Fiberglass-reinforced polyester resin
Conductor Cross-section (solid): AWG 16 (min) - AWG 8 (max)
Conductor Cross-section (fine-stranded): AWG 16 (min)
Thread Type: 8161
Dimensions:
- Width: 170 mm (6.69 in)
- Height: 227 mm (8.94 in)
- Depth: 131 mm (5.16 in)
Color Handle: Black
Color Protection Collar: Black
Rotary Actuator Marking: 0-1
Gasket: Foamed silicone
Lockable: Yes, in triple mode at position 0
Weight: 3.2 kg (7.05 lb)
Components
Cable Glands: 3 x M25 Ø 7–17 mm
Measurement Diagram (Dimensions in inches):
Cable Entry:
| Model | Auxiliary Contacts | Cable Glands Series 8161 | Blanking Plug Series 8290 | |
|---|---|---|---|---|
| Current adjustment range up to 16 A | Without: A, B | M25 x 1,5 | M32 x 1,5 | M25 x 1,5 |
| With: A, B, C | C |
Current Adjustment Range:
| Adjustment Range | Without | With | ||
|---|---|---|---|---|
| 16 ... 20 A, 20 ... 22.5 A | C | A, B | A, B | C |
R. STAHL Schaltgeräte GmbH | Am Bahnhof 30 | 74638 WALDENBURG
Tel. +49 7942 943 1700 | +49 7942 943 1777 | Email: sales.de@r-stahl.com | r-stahl.com
