Interruptores-seccionadores y arrancadores

Disyuntor para la protección del motor

Model: 8146/5-V27-208-035-12-21-1

Part No.: 249199

Key Features

Protection for conduction and installation for motors Ex e and Ex d.
Robust glass fiber reinforced polyester enclosure.
Optional: Undervoltage release, shunt opening release, ammeter, auxiliary contact.

The R. STAHL 8146/5-V27 series motor protection circuit breakers protect Ex e and Ex d motors, as well as their associated cables and installations. Standard variants are equipped with an adjustable, phase-sensitive thermal overload release and a quick-acting electromagnetic release. Additional options must be specified directly when ordering, as they cannot be modified later.

Technical Data

Explosion Protection

Validity Scope	European Union (ATEX), IECEx
Applications (zones)	1, 2, 21, 22
IECEX gas certification	IECEx PTB 06.0090
IECEx gas explosion protection	Ex db eb IIC T5 Gb
IECEx dust certification	IECEx PTB 06.0090
IECEx dust explosion protection	Ex tb IIIC T95 °C Db
ATEX gas certification	PTB 01 ATEX 1024
ATEX gas explosion protection	II 2 G Ex db eb IIC T5 Gb
ATEX dust certification	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
Switching capacity	12.4 kW
AC trigger voltage	400 V
Current adjustment range	0.25 – 0.4 A
Ammeter available	No
Auxiliary contacts	1 NC, 1 NA
Release	Undervoltage release
Number of poles	3
Frequency range	50-60 Hz

Mechanical Data

Parameter	Value
Ambient temperature	-20°C ... +40°C (-4 °F ... +104 °F)
Degree of protection (IP)	IP66 (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-stranded, min AWG	AWG 16
Thread type	8161
Width	170 mm (6.69 in)
Height	227 mm (8.94 in)
Depth	131 mm (5.16 in)
Handle color	Black
Protection collar color	Black
Rotary control inscription	0-1
Gasket	Foamed silicone
Lockable	Yes, in position 0
Weight	2.63 kg (5.8 lb)

Components

Component	Specification
Cable glands	3 x M25 Ø 7-17 mm

Dimensional Drawing

A dimensional drawing is provided showing the overall dimensions of the unit. Key dimensions include width (170 [6.69] mm [in]), height (227 [8.94] mm [in]), and depth (131 [5.16] mm [in]). Specific details like cable entry points and auxiliary contact configurations are also indicated.

Cable Entry and Auxiliary Contacts

Model	Cable Glands (series 8161)	Auxiliary Contacts (series 8161)	Closing Cap (series 8290)
Current adjustment range up to 16 A	M25 x 1.5	M32 x 1.5	M25 x 1.5
Without	A, B	--	C
With	A, B, C

Current adjustment range
Without	C	A, B
With		A, B	C
16 ... 20 A, 20 ... 22.5 A

	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 molded case circuit breaker for motor protection, 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 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, electrical data, mechanical data, and components 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 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.