R. STAHL Lasttrennschalter und Motorstarter

Leistungsschalter für den Motorschutz

Model: 8146/5-V27-110-025-10-21-1

Article No.: 249156

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, working current 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 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

Category	Specification
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 T6 Gb
IECEx Certificate Dust	IECEx PTB 06.0090
IECEx Dust Explosion Protection	Ex tb IIIC T80 °C Db
ATEX Certificate Gas	PTB 01 ATEX 1024
ATEX Gas Explosion Protection	II 2 G Ex db eb IIC T6 Gb
ATEX Certificate Dust	PTB 01 ATEX 1024
ATEX Dust Explosion Protection	II 2 D Ex tb IIIC T80 °C Db
Certifications	ATEX (PTB), IECEx (PTB), India (PESO), Canada (FM), People's Republic of China (NEPSI)
Declarations of Conformity	ATEX (EU), People's Republic of China (CCC)

Electrical Data

Parameter	Value
Switching capacity	16 kW
Trip voltage AC	500 V
Current setting range	0.16 - 0.25 A
Ammeter available	No
Auxiliary contacts	None
Release	Undervoltage release
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	Specification
Protection type (IP)	IP66
Protection type note	According to EN/IEC 60529
Housing material	Polyester resin, glass-fiber reinforced
Conductor cross-section, solid, min. AWG	AWG 16
Conductor cross-section, solid, max. AWG	AWG 8
Conductor cross-section, stranded, min. AWG	AWG 16
Type of connection	8161
Width	112.5 mm (4.43 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	3-way in 0 position
Weight	2.63 kg (5.8 lb)

Components

Parameter	Specification
Cable entries	3 x M25 Ø 7-17 mm

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

Drawing showing dimensions: Width 112.50 mm [4.43 in], Height 227 mm [8.94 in], Depth 131 mm [5.16 in]. Specific internal dimensions and connection points are detailed.

Cable entries

Configuration	Auxiliary contacts	Cable and line entries Series 8161	Blanking plug Series 8290
Current setting range up to 16 A; without auxiliary contacts	-	M32 x 1.5	M25 x 1.5
Current setting range up to 16 A; with A, B, C	A, B	M32 x 1.5	M25 x 1.5
Current setting range 16 ... 20 A, 20 ... 22.5 A; without auxiliary contacts	-	A, B	C
Current setting range 16 ... 20 A, 20 ... 22.5 A; with A, B, C	A, B	C	C

Subject to change regarding technical data, dimensions, weights, constructions, and delivery availability. Illustrations are non-binding.

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