R. STAHL 8146/5-V27 Motor Protection Circuit Breaker

N° de art. 249208

Product Overview

The R. STAHL 8146/5-V27 motor protection circuit breakers are designed for the protection of motors in Ex e and Ex d applications, as well as their cables and installations. Standard variants are equipped with an adjustable thermal overload release and phase-sensitive trip, along with a quick-acting electromagnetic trip. Additional options must be specified at the time of ordering.

Key features include:

Protection for Ex e and Ex d installations.
Robust enclosure made of glass-fiber reinforced polyester resin.
Optional features: undervoltage release, shunt opening release, ammeter, auxiliary contact.

Technical Data

Explosion Protection

Attribute	Value
Area of Validity	European Union (ATEX), IECEx
Applications (Zones)	1, 2, 21, 22
IECEX Gas Approval	IECEx PTB 06.0090
IECEx Protection against gas explosions	Ex db eb IIC T5 Gb
IECEx Dust Approval	IECEx PTB 06.0090
IECEx protection against dust explosions	Ex tb IIIC T95 °C Db
ATEX Gas Approval	PTB 01 ATEX 1024
ATEX protection against gas explosions	II 2 G Ex db eb IIC T5 Gb
ATEX Dust Approval	PTB 01 ATEX 1024
ATEX protection against dust explosions	II 2 D Ex tb IIIC T95 °C Db
Certifications	ATEX (PTB), Canada (FM), China (NEPSI), IECEx (PTB), India (PESO)
Certificate of Conformity	ATEX (EUK), China (CCC)

Electrical Data

Attribute	Value
Switching capacity	12.4 kW
Voltage for release (AC)	400 V
Current adjustment range	1-1.6 A
Ammeter available	No
Auxiliary contacts	1 NC, 1 NA

Release

Attribute	Value
Type	Undervoltage release
Number of poles	3
Frequency range	50-60 Hz

Mechanical Data

Attribute	Value
Ambient temperature	-20°C ... +40°C (-4 °F ... +104 °F)
Degree of protection (IP)	IP66
Note on degree of protection	According to EN/IEC 60529
Enclosure material	Glass-fiber reinforced polyester resin
Conductor cross-section solid min AWG	AWG 16
Conductor cross-section solid max AWG	AWG 8
Conductor cross-section fine-strand min AWG	AWG 16
Type of threaded connection	8161
Width	170 mm (6.69 in)
Height	227 mm (8.94 in)
Depth	131 mm (5.16 in)
Handle color	Black
Protective collar color	Black
Rotary control inscription	0-1
Gasket	Foamed silicone
Lockable	Can be locked in triple position 0
Weight	2.7 kg (5.95 lb)

Components

Attribute	Value
Cable glands	3 x M25 Ø 7-17 mm

Dimensional drawing (all dimensions in inches) - Subject to modifications

[Diagram showing dimensions: Width 170 [6.69], Height 227 [8.94], Depth 131 [5.16], with other measurements indicated.]

Cable Entry

Model	Auxiliary contacts	Cable glands series 8161	Blanking plug series 8290
Current adjustment range up to 16 A	A, B	M25 x 1.5	M25 x 1.5	C
Current adjustment range from 16 ... 20 A, 20 ... 22.5 A	A, B, C	M32 x 1.5	M25 x 1.5	C

	R. STAHL 8146/5-V27 Motor Protection Circuit Breaker - Technical Data Detailed technical specifications and features of the R. STAHL 8146/5-V27 molded case circuit breaker for motor protection, including explosion protection, electrical data, and mechanical data.
	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 ATEX and IECEx certifications, electrical data, mechanical dimensions, and environmental conditions.
	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 data, electrical specifications, and mechanical dimensions. Suitable for Ex e and Ex d applications.
	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 data, and mechanical dimensions.
	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 data, electrical specifications, and mechanical dimensions.
	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 data, and mechanical dimensions. Suitable for Ex e and Ex d applications.
	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 data, electrical specifications, and mechanical dimensions.
	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 data, electrical and mechanical specifications, and component details. Suitable for Ex e and Ex d applications.