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Load & Motor Switches, Load-Break Switches Series 8549

Brand: R. STAHL AG

R. STAHL's 8549 series load and motor switches are used as Ex d load disconnect switches: They isolate and switch electric circuits in hazardous areas. They can also be used in non-hazardous areas. 

The innovative switch concept boasts simple, clear connections and an advanced contact system. A variety of terminals and contacts can be retrofitted.
Features
  • Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4
  • retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs
  • auxiliary contacts with lagging, leading or synchronized switching

1 - 4 of 4 Part Numbers
168775
168775
R. STAHL Load and Motor Switch Load Disconnect Switch
Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4

retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs

auxiliary contacts with lagging, leading or synchronised switching

Ambient Conditions

  • Ambient temperature - -30 °C ... +80 °C
  • Ambient temperature max. - +80 °C
  • Ambient temperature min. - -30 °C

Auxiliary power

  • Power dissipation max. - 10.80 W

Electrical Data

  • Rated operational current - 180.000 A
  • Rated operational voltage AC - 690.00 V
  • Short-circuit protection max. - 200 A
  • Short-circuit strength - 50.00 kA
  • Tripping characteristic - gG

Explosion Protection

  • Application range (zones) - 1, 2, 21, 22
  • ATEX gas certificate - PTB 10 ATEX 1032 U
  • Certificates - ATEX (PTB), Brazil (ULB), Canada (FM), IECEx (PTB), USA (FM)
  • Explosion protection - Ex db eb IIC T5
  • Explosion protection 3 - Class I, Division 2
  • Explosion protection 4 - Group A,B,C,D T5
  • Gas explosion protection ATEX - II 2 G Ex db eb IIC T5 Gb
  • Gas explosion protection IECEx - Ex db eb IIC T5 Gb
  • IECEX gas certificate - IECEx PTB 10.0053 U
  • NEC 500 zones - Class I, Zone 1
  • NEC 505 zones - Class I, Division 2

General

  • Functional Description - R. STAHL's 8549 series load and motor switches are used as Ex d load disconnect switches: They isolate and switch electric circuits in hazardous areas. They can also be used in non-hazardous areas. The innovative switch concept boasts simple, clear connections and an advanced contact system. A variety of terminals and contacts can be retrofitted.
  • Highlights - Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4 retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs auxiliary contacts with lagging, leading or synchronised switching
  • Product Description - Load and motor switch Load disconnect switch
  • Product Type - 8549/1-31
  • Title Product Variant Technical Data - 8549/1-31 Load and motor switch
  • WebCode - 8549A

Mechanical Data

  • Connection cross-section - 150.0 mm²
  • Connection cross-section finely stranded max. - 150.00 mm²
  • Connection cross-section min. - 6.00 mm²
  • Connection cross-section solid max. - 150.00 mm²
  • Connection terminals of auxiliary contact finely stranded max. - 2.50 mm²
  • Connection terminals of auxiliary contact min. - 1.50 mm²
  • Connection terminals of auxiliary contact solid max. - 2.50 mm²
  • Connection terminals stranded max. - 150.00 mm²
  • Contact material - silver stannic oxide
  • Degree of protection (IP) - IP20
  • Detailed number of poles - 3 P
  • Enclosure material - Polyamide / Epoxy resin
  • Service life, min. - 100,000 operating cycles
  • Weight - 4.500 kg

Mounting / Installation

  • Connection type - Screw terminal
168777
168777
R. STAHL Load and Motor Switch Load Disconnect Switch
Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4

retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs

auxiliary contacts with lagging, leading or synchronised switching

Ambient Conditions

  • Ambient temperature - -30 °C ... +80 °C
  • Ambient temperature max. - +80 °C
  • Ambient temperature min. - -30 °C

Auxiliary power

  • Power dissipation max. - 10.80 W

Electrical Data

  • Rated operational current - 180.000 A
  • Rated operational voltage AC - 690.00 V
  • Short-circuit protection max. - 200 A
  • Short-circuit strength - 50.00 kA
  • Tripping characteristic - gG

Explosion Protection

  • Application range (zones) - 1, 2, 21, 22
  • ATEX gas certificate - PTB 10 ATEX 1032 U
  • Certificates - ATEX (PTB), Brazil (ULB), Canada (FM), IECEx (PTB), USA (FM)
  • Explosion protection - Ex db eb IIC T5
  • Explosion protection 3 - Class I, Division 2
  • Explosion protection 4 - Group A,B,C,D T5
  • Gas explosion protection ATEX - II 2 G Ex db eb IIC T5 Gb
  • Gas explosion protection IECEx - Ex db eb IIC T5 Gb
  • IECEX gas certificate - IECEx PTB 10.0053 U
  • NEC 500 zones - Class I, Zone 1
  • NEC 505 zones - Class I, Division 2

General

  • Functional Description - R. STAHL's 8549 series load and motor switches are used as Ex d load disconnect switches: They isolate and switch electric circuits in hazardous areas. They can also be used in non-hazardous areas. The innovative switch concept boasts simple, clear connections and an advanced contact system. A variety of terminals and contacts can be retrofitted.
  • Highlights - Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4 retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs auxiliary contacts with lagging, leading or synchronised switching
  • Product Description - Load and motor switch Load disconnect switch
  • Product Type - 8549/1-41
  • Title Product Variant Technical Data - 8549/1-41 Load and motor switch
  • WebCode - 8549A

Mechanical Data

  • Connection cross-section - 150.0 mm²
  • Connection cross-section finely stranded max. - 150.00 mm²
  • Connection cross-section min. - 6.00 mm²
  • Connection cross-section solid max. - 150.00 mm²
  • Connection terminals of auxiliary contact finely stranded max. - 2.50 mm²
  • Connection terminals of auxiliary contact min. - 1.50 mm²
  • Connection terminals of auxiliary contact solid max. - 2.50 mm²
  • Connection terminals stranded max. - 150.00 mm²
  • Contact material - silver stannic oxide
  • Degree of protection (IP) - IP20
  • Detailed number of poles - 3 P + N
  • Enclosure material - Polyamide / Epoxy resin
  • Service life, min. - 100,000 operating cycles
  • Weight - 6.250 kg

Mounting / Installation

  • Connection type - Screw terminal
171181
171181
R. STAHL Load and Motor Switch Load Disconnect Switch
Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4

retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs

auxiliary contacts with lagging, leading or synchronised switching

Ambient Conditions

  • Ambient temperature - -50 °C ... +80 °C
  • Ambient temperature max. - +80 °C
  • Ambient temperature min. - -50 °C

Auxiliary power

  • Power dissipation max. - 10.80 W

Electrical Data

  • Rated operational current - 180.000 A
  • Rated operational voltage AC - 690.00 V
  • Short-circuit protection max. - 200 A
  • Short-circuit strength - 50.00 kA
  • Tripping characteristic - gG

Explosion Protection

  • Application range (zones) - 1, 2, 21, 22
  • ATEX gas certificate - PTB 10 ATEX 1032 U
  • Certificates - ATEX (PTB), Brazil (ULB), Canada (FM), IECEx (PTB), USA (FM)
  • Explosion protection - Ex db eb IIC T5
  • Explosion protection 3 - Class I, Division 2
  • Explosion protection 4 - Group A,B,C,D T5
  • Gas explosion protection ATEX - II 2 G Ex db eb IIC T5 Gb
  • Gas explosion protection IECEx - Ex db eb IIC T5 Gb
  • IECEX gas certificate - IECEx PTB 10.0053 U
  • NEC 500 zones - Class I, Zone 1
  • NEC 505 zones - Class I, Division 2

General

  • Functional Description - R. STAHL's 8549 series load and motor switches are used as Ex d load disconnect switches: They isolate and switch electric circuits in hazardous areas. They can also be used in non-hazardous areas. The innovative switch concept boasts simple, clear connections and an advanced contact system. A variety of terminals and contacts can be retrofitted.
  • Highlights - Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4 retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs auxiliary contacts with lagging, leading or synchronised switching
  • Product Description - Load and motor switch Load disconnect switch
  • Product Type - 8549/1-32
  • Title Product Variant Technical Data - 8549/1-32 Load and motor switch
  • WebCode - 8549A

Mechanical Data

  • Connection cross-section - 150.0 mm²
  • Connection cross-section finely stranded max. - 150.00 mm²
  • Connection cross-section min. - 6.00 mm²
  • Connection cross-section solid max. - 150.00 mm²
  • Connection terminals of auxiliary contact finely stranded max. - 2.50 mm²
  • Connection terminals of auxiliary contact min. - 1.50 mm²
  • Connection terminals of auxiliary contact solid max. - 2.50 mm²
  • Connection terminals stranded max. - 150.00 mm²
  • Contact material - silver stannic oxide
  • Degree of protection (IP) - IP20
  • Detailed number of poles - 3 P
  • Enclosure material - Polyamide / Epoxy resin
  • Service life, min. - 100,000 operating cycles
  • Weight - 4.500 kg

Mounting / Installation

  • Connection type - Screw terminal
171183
171183
R. STAHL Load and Motor Switch Load Disconnect Switch
Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4

retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs

auxiliary contacts with lagging, leading or synchronised switching

Ambient Conditions

  • Ambient temperature - -50 °C ... +80 °C
  • Ambient temperature max. - +80 °C
  • Ambient temperature min. - -50 °C

Auxiliary power

  • Power dissipation max. - 10.80 W

Electrical Data

  • Rated operational current - 180.000 A
  • Rated operational voltage AC - 690.00 V
  • Short-circuit protection max. - 200 A
  • Short-circuit strength - 50.00 kA
  • Tripping characteristic - gG

Explosion Protection

  • Application range (zones) - 1, 2, 21, 22
  • ATEX gas certificate - PTB 10 ATEX 1032 U
  • Certificates - ATEX (PTB), Brazil (ULB), Canada (FM), IECEx (PTB), USA (FM)
  • Explosion protection - Ex db eb IIC T5
  • Explosion protection 3 - Class I, Division 2
  • Explosion protection 4 - Group A,B,C,D T5
  • Gas explosion protection ATEX - II 2 G Ex db eb IIC T5 Gb
  • Gas explosion protection IECEx - Ex db eb IIC T5 Gb
  • IECEX gas certificate - IECEx PTB 10.0053 U
  • NEC 500 zones - Class I, Zone 1
  • NEC 505 zones - Class I, Division 2

General

  • Functional Description - R. STAHL's 8549 series load and motor switches are used as Ex d load disconnect switches: They isolate and switch electric circuits in hazardous areas. They can also be used in non-hazardous areas. The innovative switch concept boasts simple, clear connections and an advanced contact system. A variety of terminals and contacts can be retrofitted.
  • Highlights - Three-pole and three-pole +N load disconnect switch with isolating functions that complies with IEC/EN 60947-4 retrofittable: Pick-off terminal block, auxiliary contact, Ex i isolating element, N terminal, PE terminal, parallel drive, adaptor plate for connecting cable lugs auxiliary contacts with lagging, leading or synchronised switching
  • Product Description - Load and motor switch Load disconnect switch
  • Product Type - 8549/1-42
  • Title Product Variant Technical Data - 8549/1-42 Load and motor switch
  • WebCode - 8549A

Mechanical Data

  • Connection cross-section - 150.0 mm²
  • Connection cross-section finely stranded max. - 150.00 mm²
  • Connection cross-section min. - 6.00 mm²
  • Connection cross-section solid max. - 150.00 mm²
  • Connection terminals of auxiliary contact finely stranded max. - 2.50 mm²
  • Connection terminals of auxiliary contact min. - 1.50 mm²
  • Connection terminals of auxiliary contact solid max. - 2.50 mm²
  • Connection terminals stranded max. - 150.00 mm²
  • Contact material - silver stannic oxide
  • Degree of protection (IP) - IP20
  • Detailed number of poles - 3 P + N
  • Enclosure material - Polyamide / Epoxy resin
  • Service life, min. - 100,000 operating cycles
  • Weight - 5.900 kg

Mounting / Installation

  • Connection type - Screw terminal
1 - 4 of 4 Part Numbers
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