Description

Schneider GM20D4N1254BEE | Manual transfer switch, GoPact MTS 200, 4 poles, 125A, 415VAC 50/60Hz, extended rotary handle, open transition

Technical Specifications

  • Product Type: Manual Transfer Switch (MTS)

  • Series: GoPact MTS 200

  • Model: GM20D4N1254BEE

  • Number of Poles: 4 (three phases + neutral)

  • Rated Current: 125 Amps

  • Rated Operational Voltage: 415 VAC

  • Frequency: 50/60 Hz

  • Operation Type: Manual

  • Transition Type: Open transition (break-before-make)

  • Handle: Extended rotary handle for external mounting

  • Mounting: Panel/enclosure installation

  • Conformity: IEC 60947-6-1

Key Features

  • Open Transition Switching: Prevents overlap between power sources during switching, ensuring electrical isolation and safety.

  • Extended Rotary Handle: External handle provides ease of operation, improved visibility, and enhanced operator safety—ideal for enclosed panel setups.

  • Robust Build: Made from high-quality, durable materials suitable for demanding electrical environments.

  • 4-Pole Isolation: Ensures complete disconnection of all live conductors, including the neutral, which is crucial in balanced three-phase systems.

  • Clear Source Indication: Clearly marked positions (I – 0 – II) allow the user to easily identify the active source, improving control and reducing risk.

Applications

  • Commercial Installations: Office buildings, retail units, and schools that require manual control over mains and generator power.

  • Industrial Sites: Manufacturing plants, warehouses, and workshops where scheduled maintenance or emergency power switching is needed.

  • Backup Power Management: Used in systems where utility and standby generators are manually switched.

  • Off-Grid or Remote Locations: An economical and dependable solution for areas without automated infrastructure.

Additional information

brands

Schneider Electric

Specifications

Main
Range of product GoPact MTS
Product or component type Manual transfer switch
Product name GoPact MTS 200
Device application Change source of supply
frame size 200
Suitability for isolation Yes conforming to IEC 60947-3
transfer switch class PC
poles description 4P
[Ie] rated operational current AC-21A: 125 A conforming to IEC 60947-3 AC-22A: 125 A conforming to IEC 60947-3 AC-23A: 125 A conforming to IEC 60947-3 AC-31B: 125 A conforming to IEC 60947-6-1 AC-32B: 125 A conforming to IEC 60947-6-1
[Ith] conventional free air thermal current 125 A at 40 °C
[Ithe] conventional enclosed thermal current 125 A (40 °C)
Rated operational power in W 65 kW AC-23A conforming to IEC 60947-3
[Ue] rated operational voltage 415 V AC 50/60 Hz
Breaking capacity 1000 A AC-23A
Rated making capacity 1250 A AC-23A
Control type Extended rotary handle
Operating mode Manual
Contact position indicator Yes
mechanical interlocking With mechanical interlocking
Locking options description Padlocking in OFF position 1 to 3 padlocks
Complementary
[Ui] rated insulation voltage 1000 V AC
[Uimp] rated impulse withstand voltage 12 kV
[Icm] rated short-circuit making capacity 14 kA peak
[Icw] rated short-time withstand current 8 kA during 1 s conforming to IEC 60947-4-3 18 kA during 0.2 s conforming to IEC 60947-4-3 10 kA during 0.1 s conforming to IEC 60947-6-1
Number of contact position 3
mounting mode Fixed
Mounting support Backplate
Connections - terminals 1 cable with lug wire size 95 mm²
Tightening torque 10 N.m
Mechanical durability 16000 cycles
Electrical durability 1000 cycles 415 V
Width 210 mm
Height 211 mm
Depth Without handle : 154 mm With handle : 267 mm
Net weight 4 kg
Standards IEC 60947-3 IEC 60947-6-1
product certifications IECEE CB Scheme
Environment
Electrical shock protection class Class II
IP degree of protection IP54 front face conforming to IEC 60529
Pollution degree 3 conforming to IEC 60664-1
Ambient air temperature for operation -5…55 °C
Temperature derating table 40 °C ( 125 A ) 45 °C ( 125 A ) 50 °C ( 125 A ) 55 °C ( 125 A )
Ambient air temperature for storage -25…85 °C
Operating altitude 2000 m 100 % of In 3000 m 96 % of In 4000 m 93 % of In 5000 m 89 % of In
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 33.3 cm
Package 1 Width 22.6 cm
Package 1 Length 26 cm
Package 1 Weight 6.7 kg
Unit Type of Package 2 P06
Number of Units in Package 2 6
Package 2 Height 88.4 cm
Package 2 Width 60 cm
Package 2 Length 80 cm
Package 2 Weight 267.6 kg

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