R. STAHL Molded Case Circuit Breaker for Motor Protection

Model: 8146/5-V27-101-105-00-11-1

Article No.: 147191

The R. STAHL Series 8146/5-V27 molded case circuit breakers are designed for motor protection in Ex e and Ex d environments, as well as for the protection of associated conductors and systems. Standard versions include an adjustable, phase-sensitive thermal overcurrent release or an electromagnetic quick release, which must be specified during the ordering process and cannot be retrofitted.

Key Features:

Conductor and system protection for Ex e and Ex d motors.
Robust enclosure made of glass fibre reinforced polyester resin.
Optional features include: Undervoltage release, shunt trip, ammeter, auxiliary contact.

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 T5 Gb
IECEx dust certificate	IECEX PTB 06.0090
IECEx dust explosion protection	Ex tb IIIC T95 °C Db
ATEX gas certificate	PTB 01 ATEX 1024
ATEX gas explosion protection	II 2 G Ex db eb IIC T5 Gb
ATEX dust certificate	PTB 01 ATEX 1024
ATEX dust explosion protection	II 2 D Ex tb IIIC T95 °C Db
Certificates	ATEX (PTB), Canada (FM), China (NEPSI), IECEx (PTB), India (PESO)
Declaration of conformity	ATEX (EUK), China (CCC)

Electrical Data

AC release voltage	-
Current-setting range	6.3 – 9 A
Ammeter present	No
Auxiliary contacts	without
Release	without
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 stopping plug	8290
Type of screw connection	8161
Width	112.5 mm (4.43 in)
Height	227 mm (8.94 in)
Depth	131 mm (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	2.85 kg (6.28 lb)

Components

Cable glands and entries	2 x M25 Ø 7 – 17 mm
Stopping plugs	1 x M25

Dimensional Drawings

All dimensions in mm [inches] – Subject to Alterations

A diagram shows the dimensions of the unit: Width 112.5 mm [4.43 in], Height 227 mm [8.94 in], Depth 131 mm [5.16 in]. It also indicates cable entry points with a diameter of Ø7 mm [Ø 0.28 in].

Cable entries

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

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 specifications and features of the R. STAHL 8146/5-V27 motor protection circuit breaker, designed for Ex e and Ex d motors and associated systems. Includes details on explosion protection, electrical characteristics, mechanical specifications, and components.
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	R. STAHL 8146/5-V27 Molded Case Circuit Breaker for Motor Protection 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 motors and associated conductors and systems.
	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 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.