R. STAHL 8146/5-V27 Molded Case Circuit Breaker for Motor Protection
Art. No. 249224
Product Overview
The R. STAHL Series 8146/5-V27 molded case circuit breakers are designed for motor protection in Ex e and Ex d environments, as well as for the protection of associated conductors and systems. These standard versions feature an adjustable, phase-sensitive thermal overcurrent release or an electromagnetic quick release, which must be specified during the ordering process. They cannot be retrofitted.
Key Features:
- Conductor and system protection for Ex e and Ex d motors.
- Robust enclosure made of glass fibre reinforced polyester resin.
- Optional features include: Undervoltage release, shunt trip, ammeter, auxiliary contact.
Explosion Protection:
- Area of application: European Union (ATEX), IECEx
- Application range (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)
- Declaration of conformity: ATEX (EUK), China (CCC)
Technical Data
Electrical Data
| Switching capacity | 16 kW |
| AC release voltage | 500 V |
| Current-setting range | 9–12.5 A |
| Ammeter present | No |
| Auxiliary contacts | 1 NC, 1 NO |
| Release | Undervoltage release |
| No. of poles | 3 |
| Frequency range | 50–60 Hz |
Ambient Conditions
| Ambient temperature | -20°C ... +40°C |
| Ambient temperature | -4 °F ... +104 °F |
Mechanical Data
| Degree of protection (IP) | IP66 |
| Degree of protection note | according to EN/IEC 60529 |
| Enclosure material | Polyester resin, Glass fibre reinforced |
| Min. solid conn. cr.-sect. AWG | AWG 16 |
| Max. solid conn. cr.-sect. AWG | AWG 8 |
| Min. f.stra. con. cr.-sec. AWG | AWG 16 |
| Type of screw connection | 8161 |
| Width | 170 mm |
| Width, inches | 6.69 in |
| Height | 227 mm |
| Height in inches | 8.94 in |
| Depth | 131 mm |
| Depth in inches | 5.16 in |
| Handle colour | Black |
| Protective collar colour | Black |
| Rotary actuator labelling | 0–1 |
| Seal | Silicone, foamed |
| Lockable in | Three times in 0 position |
| Weight | 3.35 kg |
| Weight | 7.39 lb |
Components and Cable Entries
Cable glands and entries: 3 x M25 Ø 7–17 mm
Dimensional Drawings: All dimensions in mm [inches] – Subject to Alterations
[Diagram showing dimensions: Width 170 [6.69], Height 227 [8.94], Depth 131 [5.16], with various internal measurements indicated.]
Cable entries:
| Version | Auxiliary contacts | Cable glands Series 8161 | Stopping plugs Series 8290 |
|---|---|---|---|
| Current-setting range up to 16 A | without | M25 x 1.5 | M25 x 1.5 |
| with | A, B, C | C | |
| Current-setting range 16 to 20 A, 20 to 22.5 A | without | A, B | C |
| with | A, B, C | C |
Note: R. STAHL Series 8146/5-V27 moulded case circuit breakers for motor protection protect Ex e and Ex d motors as well as the associated conductors and systems. The standard versions feature an adjustable, phase-sensitive thermal overcurrent release or an electromagnetic quick release, which has to be specified during the ordering process. They cannot be retrofitted.
Disclaimer: R. STAHL reserves the right to make alterations to the technical data, dimensions, weights, designs and products available without notice. The illustrations cannot be considered binding.
