Load disconnect switches and motor starters

Moulded case circuit breaker for motor protection

8146/5-V27-208-025-12-21-1 Art. No. 249196

• Conductor and system protection for Ex e and Ex d motors

• Robust enclosure made of glass fibre reinforced polyester resin

Optional: Undervoltage release, shunt trip, ammeter, auxiliary contact

MY R. STAHL 8146N ⚡

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.

Technical Data

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 T6 Gb
IECEx dust certificate	IECEx PTB 06.0090
IECEx dust explosion protection	Ex tb IIIC T80 °C Db
ATEX gas certificate	PTB 01 ATEX 1024
ATEX gas explosion protection	II 2 G Ex db eb IIC T6 Gb
ATEX dust certificate	PTB 01 ATEX 1024
ATEX dust explosion protection	II 2 D Ex tb IIIC T80 °C Db
Certificates	ATEX (PTB), Canada (FM), China (NEPSI), IECEx (PTB), India (PESO)
Declaration of conformity	ATEX (EUK), China (CCC)

Electrical Data

Switching capacity	12.4 kW
AC release voltage	400 V
Current-setting range	0.16 - 0.25 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	2.63 kg
Weight	5.8 lb

Components

Cable glands and entries: 3 x M25 Ø 7 – 17 mm

Dimensional Drawings (All Dimensions in mm [inches]) – Subject to Alterations

170 [6,69]
152 [5,98]
175 [6,89]
227 [8,94]
Ø7 [Ø 0,28]
161 [6,34]
16 [0,63]

Cable entries

Version	Auxiliary contacts	Cable glands Series 8161	Stopping plugs Series 8290
Current-setting range up to 16 A	without with	M25 x 1.5 A, B, C	M32 x 1.5 –	M25 x 1.5 C
Current-setting range 16 to 20 A, 20 to 22.5 A	without with	C A, B	A, B A, B	C C

We reserve the right to make alterations to the technical data, dimensions, weights, designs and products available without notice. The illustrations cannot be considered binding.

	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 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 molded case circuit breaker, designed for motor protection in hazardous environments (Ex e, Ex d). Includes details on explosion protection, electrical data, mechanical specifications, and component options.
	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 molded case circuit breaker, designed for motor protection in hazardous environments (Ex e, Ex d). Includes information on explosion protection, electrical data, mechanical data, and certifications.
	R. STAHL 8146/5-V27 Molded Case Circuit Breaker for Motor Protection Technical specifications and data for the R. STAHL 8146/5-V27 molded case circuit breaker, designed for motor protection in Ex e and Ex d environments. Includes details on explosion protection, electrical data, mechanical data, and cable entries.
	R. STAHL 8146/5-V27 Molded Case Circuit Breaker for Motor Protection Technical specifications and features of the R. STAHL Series 8146/5-V27 molded case circuit breaker for motor protection, designed for Ex e and Ex d motors and associated conductors and systems.
	R. STAHL 8146/5-V27 Molded Case Circuit Breaker for Motor Protection Technical specifications and data for the R. STAHL 8146/5-V27 molded case circuit breaker, designed for motor protection in Ex e and Ex d applications. Includes explosion protection details, electrical data, and mechanical specifications.