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

Article Number: 147190

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 associated cables and installations. Standard variants feature an adjustable thermal overload trip and a quick-acting electromagnetic trip. Additional options must be specified at the time of order.

Key Features

Protection for Ex e and Ex d applications.
Robust glass-fiber reinforced polyester enclosure.
Optional: Shunt trip, undervoltage release, ammeter, auxiliary contact.

Technical Data

Explosion Protection

Parameter	Value
Scope of validity	European Union (ATEX), IECEx
Applications (zones)	1, 2, 21, 22
Homologation IECEx gas	IECEx PTB 06.0090
IECEx Gas Explosion Protection	Ex db eb IIC T5 Gb
Homologation IECEx dust	IECEx PTB 06.0090
IECEx Dust Explosion Protection	Ex tb IIIC T95 °C Db
Homologation ATEX gas	PTB 01 ATEX 1024
ATEX Gas Explosion Protection	II 2 G Ex db eb IIC T5 Gb
Homologation ATEX dust	PTB 01 ATEX 1024
ATEX Dust Explosion Protection	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

Parameter	Value
Trigger voltage AC	4 – 6.3 A
Ammeter available	No
Auxiliary contacts	No
Trip	No
Number of poles	3
Frequency range	50 – 60 Hz

Environmental Conditions

Parameter	Value
Ambient temperature	-20°C ... +40°C (-4°F ... +104°F)

Mechanical Data

Parameter	Value
Degree of protection (IP)	IP66
Degree of protection note	According to EN/IEC 60529
Enclosure material	Glass-fiber reinforced polyester resin
Min. conductor cross-section, solid wire	AWG 16
Max. conductor cross-section, solid wire	AWG 8
Min. conductor cross-section, fine wire	AWG 16
Type of cable gland	8290
Type of threaded connection	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	0-1
Gasket	Silicone, foamed
Lockable	Triple mode in 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

Dimensional Drawing

A dimensional drawing is provided, showing measurements in millimeters and inches. Key dimensions include width (112.5 mm / 4.43 in), height (227 mm / 8.94 in), and depth (131 mm / 5.16 in). The drawing also indicates the position of cable entries and glands.

Cable Entry

Model	Auxiliary contacts	Cable Glands Series 8161	Cable Gland Cap Series 8290
Current adjustment range without auxiliary contacts up to 16 A	No	M25 x 1.5	M25 x 1.5
Current adjustment range with auxiliary contacts up to 16 A	Yes (A, B, C)	M32 x 1.5	-

Current Adjustment Range

Adjustment	Contacts A, B	Contacts C
No	-	-
Yes (A, B)	16 ... 20 A, 20 ... 22.5 A	-
Yes (C)	-	16 ... 20 A, 20 ... 22.5 A

R. STAHL reserves the right to modify technical data, dimensions, weights, constructions, and delivery options.

	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 for the R. STAHL 8146/5-V27 motor protection circuit breaker, including explosion protection, electrical data, mechanical data, and certifications.
	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, designed for Ex e and Ex d applications.
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	R. STAHL 8146/5-V27 Motor Protection Circuit Breaker Datasheet Technical specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, designed for Ex e and Ex d applications. Includes details on explosion protection, electrical characteristics, mechanical specifications, and components.
	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 features, electrical characteristics, and dimensions. Suitable for Ex e and Ex d applications.
	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 features, electrical characteristics, and explosion protection details for Ex e and Ex d applications.
	R. STAHL 8146/5-V27 Motor Protection Circuit Breaker Technical specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, designed for Ex e and Ex d applications. Includes details on explosion protection, electrical characteristics, mechanical specifications, and components.