R. STAHL Load Disconnector and Motor Starter

Circuit Breaker for Motor Protection

Model: 8146/5-V27-210-105-12-21-1 | Article No. 249221

Key Features

Line and system protection for Ex e and Ex d motors
Robust housing made of glass-fiber reinforced polyester resin
Optional: undervoltage release, shunt trip release, current transformer, auxiliary contact

Product Description

The 8146/5-V27 series motor protection circuit breakers from R. STAHL protect Ex e and Ex d motors as well as their associated lines and systems. The standard variants are equipped with an adjustable, phase-sensitive thermal overload release or an electromagnetic instantaneous release, which must be specified when ordering. Retrofitting is not possible.

Technical Data

Explosion Protection

Scope of Application	European Union (ATEX), IECEx
Area of Operation (Zones)	1, 2, 21, 22
IECEx Certificate Gas	IECEx PTB 06.0090
IECEx Gas Explosion Protection	Ex db eb IIC T5 Gb
IECEx Certificate Dust	IECEx PTB 06.0090
IECEx Dust Explosion Protection	Ex tb IIIC T95 °C Db
ATEX Certificate Gas	PTB 01 ATEX 1024
ATEX Gas Explosion Protection	II 2 G Ex db eb IIC T5 Gb
ATEX Certificate Dust	PTB 01 ATEX 1024
ATEX Dust Explosion Protection	II 2 D Ex tb IIIC T95 °C Db
Certifications	ATEX (PTB), IECEx (PTB), India (PESO), Canada (FM), People's Republic of China (NEPSI)
Conformity Declarations	ATEX (EUK), People's Republic of China (CCC)

Electrical Data

Rated Switching Capacity	16 kW
Release Voltage AC	500 V
Current Setting Range	6.3 - 9 A
Current Transformer Present	No
Auxiliary Contacts	1 Normally Open, 1 Normally Closed
Release	Undervoltage release
Number of Poles	3
Frequency Range	50 - 60 Hz

Environmental Conditions

Ambient Temperature

-20°C ... +40°C (-4 °F ... +104 °F)

Mechanical Data

Protection Type (IP)	IP66
Protection Type Note	According to EN/IEC 60529
Housing Material	Polyester resin, glass-fiber reinforced
Connection Cross-Section Solid Min. AWG	AWG 16
Connection Cross-Section Solid Max. AWG	AWG 8
Connection Cross-Section Fine-stranded Min. AWG	AWG 16
Gland Type	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
Labeling Rotary Handle	0-1
Seal	Silicone, foamed
Lockable in 0-Position	3-way locking
Weight	3 kg (6.61 lb)

Components

Cable Glands

3 x M25 Ø 7-17 mm

Dimensional Drawing (all dimensions in mm [in]) – Subject to change

A diagram shows the dimensions of the unit. Key dimensions include width (170 [6.69]), height (227 [8.94]), and depth (131 [5.16]). Cable entry details are also indicated with M25 glands.

Cable and Line Entry

Execution	Auxiliary Contacts	Cable and Line Entries Series 8161	Blanking Plugs Series 8290
Current setting range up to 16 A	without	M25 x 1.5	M32 x 1.5	M25 x 1.5
Current setting range up to 16 A	with A, B, C	-	-	-
Current setting range 16 ... 20 A, 20 ... 22.5 A	without	A, B	A, B	C
Current setting range 16 ... 20 A, 20 ... 22.5 A	with C	A, B	A, B	C

	R. STAHL 8146/5-V27 Motor Protection Circuit Breaker - Technical Data 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 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 component information.
	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 motors, with detailed electrical and mechanical data.
	R. STAHL 8146/5-V27 Motor Protection Circuit Breaker Technical data and specifications for the R. STAHL 8146/5-V27 series motor protection circuit breakers, designed for Ex e and Ex d motors.
	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 motors, with detailed electrical and mechanical data.
	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 motors, including explosion protection data, electrical and mechanical specifications, and certifications.
	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 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.