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Voltmeter selector switch

Voltmeter selector switches are essential components in electrical distribution and control panels, designed to safely measure voltage across multiple phases using a single voltmeter. These switches, often referred to as voltage selector switches or voltmeter changeover switches, allow engineers to monitor line-to-line or line-to-neutral voltage...

Voltmeter selector switches are essential components in electrical distribution and control panels, designed to safely measure voltage across multiple phases using a single voltmeter. These switches, often referred to as voltage selector switches or voltmeter changeover switches, allow engineers to monitor line-to-line or line-to-neutral voltages in three-phase systems (e.g., 3P or 4P configurations) without the need for multiple meters. They are typically rated for AC or DC voltages up to 690V, with current ratings up to 20A, and feature robust rotary mechanisms with clear position markings (e.g., L1-L2, L2-L3, L3-L1). The switches are available in panel-mounted or DIN-rail versions, with degrees of protection up to IP65 for harsh environments. Common accessories include padlockable handles and contact blocks for auxiliary signaling.

These switches are widely deployed in industrial automation, power generation, and building management systems. They are installed in main distribution boards (MDBs), motor control centers (MCCs), and switchgear cabinets to enable safe voltage monitoring during maintenance or troubleshooting. In renewable energy systems, such as solar inverters or wind turbine controls, they facilitate phase balancing and grid compliance checks. They are also critical in data centers and commercial facilities for monitoring UPS outputs and generator synchronization.

Key subcategories include cam-operated voltmeter selector switches (e.g., series with 3, 4, or 6 positions) and modular rotary switches for DIN-rail mounting. Common article codes follow patterns like VSS-3P-690V or VSS-4P-400V, indicating poles and voltage rating. For example, the VSS-3P-690V series offers 3-position switching for three-phase systems, while the VSS-4P-400V series adds a neutral position for four-wire networks. These codes are standardized across manufacturers for easy identification.

At Electric Automation Network, we provide express worldwide shipping and dedicated support from electrical engineers who can assist with selection, wiring diagrams, and compliance with IEC/EN standards. Our real-time pricing and multilingual portal ensure seamless procurement for global projects. Contact our team for technical documentation and customized solutions.

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Manufacturer Code Reference Catalog Number Description Delivery Price

011124

T0-2-14/E

Y7-11124

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-phase, front plate: 0-L1/L2 L2/L3 L3/L1, 45 °, maintained, flush mounting

Selector switch for voltmeter; 4-pole; 20a; 3 x phase-phase; rating Plate: 0-L1/L2 L2/L3 L3/L1; 45 °; Interlock; recessed Mounting

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, flush mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, With 0 (Off) position, 0-L1/L2 L2/L3 L3/L1, Design number 14

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011125

T0-2-14/EZ

Y7-11125

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-phase, front plate: 0-L1/L2 L2/L3 L3/L1, 45 °, maintained, centre mounting

Selector switch for voltmeter; 4-pole; 20a; 3 x phase-phase; rating Plate: 0-L1/L2 L2/L3 L3/L1; 45 °; Interlock; recessed Mounting with central fixing

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, center mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, With 0 (Off) position, 0-L1/L2 L2/L3 L3/L1, Design number 14

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011479

T0-2-15918/E

Y7-11479

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-phase, front plate: Phase/Phase, 45 °, maintained, flush mounting

Selector switch for voltmeter; 4-pole; 20a; 3 x phase-phase; rating Plate: Phase/Phase; 45 °; Interlock; recessed Mounting

Voltmeter selector switches, T0, 20 A, flush mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, Without 0 (Off) position, Phase/Phase, Design number 15918

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011486

T0-2-15919/EZ

Y7-11486

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-N, front plate: Phase/N, 45 °, maintained, centre mounting

Selector switch for voltmeter; 4-pole; 20a; 3 x phase-N; Plate indicator: Phase/N; 45 °; Interlock; recessed Mounting with central fixing

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, center mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, Without 0 (Off) position, Phase/N, Design number 15919

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012315

T0-3-15/E

Y7-12315

Voltmeter selector switches, Contacts: 5, 20 A, 3 x phase-N, front plate: 0-L1/L2 L2/L3 L3/L1 L1/N, 45 °, maintained, flush mounting

Selector switch for voltmeter; 5-pole; 20a; 3 x phase-N; Plate indicator: 0-L1/L2 L2/L3 L3/L1 L1/N; 45 °; Interlock; recessed Mounting

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, flush mounting, 3 contact unit(s), Contacts: 5, 45 °, maintained, With 0 (Off) position, 0-L1/L2 L2/L3 L3/L1 L1/N, Design number 15

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009394

T0-1-8001/XZ

Y7-9394

Contacts: 1, 20 A, front plate: 0-1-0-1, 90 °, rear mounting, Basic switch

Switch Switch 1 pole 20 A Indicator plate: 0-1-0-1 90°

Contacts: 1, 20 A, front plate: 0-1-0-1, 90 °, rear mounting, Basic switch

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009397

T0-1-8002/EZ

Y7-9397

Voltmeter selector switches, Contacts: 2, 20 A, front plate: 0-1-0-1, 90 °, maintained, centre mounting

Voltmeter Selector Switch 2 Pole 20 A Indicator Plate:

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, center mounting, 1 contact unit(s), Contacts: 2, 90 °, maintained, With 0 (Off) position, 0-1-0-1, Design number 8002

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009401

T0-1-8002/Z

Y7-9401

Voltmeter selector switches, Contacts: 2, 20 A, front plate: 0-1-0-1, 90 °, maintained, rear mounting

Voltmeter Selector Switch 2 Pole 20 A Indicator Plate:

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, rear mounting, 1 contact unit(s), Contacts: 2, 90 °, maintained, With 0 (Off) position, 0-1-0-1, Design number 8002

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011308

T0-2-15176/E

Y7-11308

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-phase, front plate: 0-L1/L2 L2/L3 L3/L1, 90 °, maintained, flush mounting

Voltmeter selector switch. 4 poles. 20 A. 3 x Phase-Phase. Plaque

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, flush mounting, 2 contact unit(s), Contacts: 4, 90 °, maintained, With 0 (Off) position, 0-L1/L2 L2/L3 L3/L1, Design number 15176

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011309

T0-2-15176/EZ

Y7-11309

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-phase, front plate: 0-L1/L2 L2/L3 L3/L1, 90 °, maintained, centre mounting

Voltmeter Selector Switch 4 Pole 20 A 3 x Phase-Phase Plate

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, center mounting, 2 contact unit(s), Contacts: 4, 90 °, maintained, With 0 (Off) position, 0-L1/L2 L2/L3 L3/L1, Design number 15176

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011314

T0-2-15177/E

Y7-11314

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-N, front plate: 0-L1/N L2/N L3/N, 90 °, maintained, flush mounting

Voltmeter Selector Switch 4 Pole 20 A 3 x Phase-Neutral Plate

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, flush mounting, 2 contact unit(s), Contacts: 4, 90 °, maintained, With 0 (Off) position, 0-L1/N L2/N L3/N, Design number 15177

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011578

T0-2-8004/E

Y7-11578

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-phase, front plate: 0-Phase/Phase, 45 °, maintained, flush mounting

Voltmeter Selector Switch 4 Pole 20 A 3 x Phase-Phase Plate

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, flush mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, With 0 (Off) position, 0-Phase/Phase, Design number 8004

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011585

T0-2-8005/EZ

Y7-11585

Voltmeter selector switches, Contacts: 4, 20 A, 3 x phase-N, front plate: 0-Phase/N, 45 °, maintained, centre mounting

Voltmeter Selector Switch 4 Pole 20 A 3 x Phase-Neutral Plate

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, center mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, With 0 (Off) position, 0-Phase/N, Design number 8005

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011590

T0-2-8011/E

Y7-11590

Voltmeter selector switches, Contacts: 4, 20 A, 2 converters, front plate: 0-Phase/Phase, 45 °, maintained, flush mounting

Voltmeter Selector Switch 4 Pole 20 A 2 Converters Board

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, flush mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, With 0 (Off) position, 0-Phase/Phase, Design number 8011

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011595

T0-2-8011/Z

Y7-11595

Voltmeter selector switches, Contacts: 4, 20 A, 2 converters, front plate: 0-Phase/Phase, 45 °, maintained, rear mounting

Voltmeter Selector Switch 4 Pole 20 A 2 Converters Board

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, rear mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, With 0 (Off) position, 0-Phase/Phase, Design number 8011

 		3 View Availability View Price

012759

T0-3-8007/IVS

Y7-12759

Voltmeter selector switches,Contacts 6,20A,3xphase-phase,3xphase-N,front plate: Phase/Phase-0-Phase/N,45°,maintained,service distribution board mount.

Voltmeter Selector Switch 6 poles 20 A 3 x Phase-Phase 3 x

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, service distribution board mounting, 3 contact unit(s), Contacts: 6, 45 °, maintained, With 0 (Off) position, Phase/Phase-0-Phase/N, Design number 8007

 		2 View Availability View Price

013388

T0-3-8007/XZ

Y7-13388

Contacts: 6, 20 A, 45 °, rear mounting, Basic switch

Voltmeter Selector Switch 6 poles 20 A 3 x Phase-Phase 3 x

Contacts: 6, 20 A, 45 °, rear mounting, Basic switch

 		3 View Availability View Price

013401

T0-3-8030/E

Y7-13401

Voltage current measuring switch, Contacts: 6, 20 A, 2 converters, front plate: 0-1-0-2, 90 °, maintained, flush mounting

Voltage and current measuring switch 6 poles 20 A 2

Eaton Moeller® series T0 Voltage current measuring switch, T0, 20 A, flush mounting, 3 contact unit(s), Contacts: 6, 90 °, maintained, With 0 (Off) position, 0-1-0-2, Design number 8030

 		3 View Availability View Price

013402

T0-3-8030/EZ

Y7-13402

Voltage current measuring switch, Contacts: 6, 20 A, 2 converters, front plate: 0-1-0-2, 90 °, maintained, centre mounting

Voltage and current measuring switch 6 poles 20 A 2

Eaton Moeller® series T0 Voltage current measuring switch, T0, 20 A, center mounting, 3 contact unit(s), Contacts: 6, 90 °, maintained, With 0 (Off) position, 0-1-0-2, Design number 8030

 		3 View Availability View Price

013404

T0-3-8030/IVS

Y7-13404

Voltage current measuring switch, Contacts: 6, 20 A, 2 converters, front plate: 0-1-0-2, 90 °, maintained, service distribution board mounting

Voltage and current measuring switch 6 poles 20 A 2

Eaton Moeller® series T0 Voltage current measuring switch, T0, 20 A, service distribution board mounting, 3 contact unit(s), Contacts: 6, 90 °, maintained, With 0 (Off) position, 0-1-0-2, Design number 8030

 		3 View Availability View Price

013904

T0-4-8008/E

Y7-13904

Voltmeter selector switches,Contacts 8,20A,3xphase-phase (A),3xphase-phase (B), front plate: 0-L1/L2 L2/L3 L3/L1, 45 °, maintained, flush mounting

Voltmeter selector switch 8 poles 20 A 3 x Phase-Phase (A) 3 x

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, flush mounting, 4 contact unit(s), Contacts: 8, 45 °, maintained, With 0 (Off) position, 0-L1/L2 L2/L3 L3/L1, Design number 8008

 		3 View Availability View Price

013905

T0-4-8008/EZ

Y7-13905

Voltmeter selector switches, Contacts: 8, 20 A, 3 x phase-phase (A), 3 x phase-phase (B), front plate: 0-L1/L2 L2/L3 L3/L1, 45 °, maintained, centre mounting

Voltmeter selector switch 8 poles 20 A 3 x Phase-Phase (A) 3 x

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, center mounting, 4 contact unit(s), Contacts: 8, 45 °, maintained, With 0 (Off) position, 0-L1/L2 L2/L3 L3/L1, Design number 8008

 		3 View Availability View Price

014156

T0-5-15178/EZ

Y7-14156

Voltage current measuring switch, Contacts: 10, 20 A, 3 converters, front plate: 0-1-2-3, 90 °, maintained, centre mounting

Voltage and current measuring switch 10 poles 20 A 3

Eaton Moeller® series T0 Voltage current measuring switch, T0, 20 A, center mounting, 5 contact unit(s), Contacts: 10, 90 °, maintained, With 0 (Off) position, 0-1-2-3, Design number 15178

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014670

T0-5-8043/XZ

Y7-14670

Power factor meter changeover switch, Ie=12A, 90°, maintained, replacement switch, base fixing

Switch Power Factor Meter Switch; 12A; 90 °; Spare switch for box

T0, 20 A, rear mounting, Basic switch, 5 contact unit(s), Contacts: 9, 90 °, design no. 8043

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015132

T0-3-8007/Z

Y7-15132

Voltmeter selector switches, Contacts: 6, 20 A, 3 x phase-phase, 3 x phase-N, front plate: Phase/Phase-0-Phase/N, 45 °, maintained, rear mounting

Voltmeter Selector Switch 6 poles 20 A 3 x Phase-Phase 3 x

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, rear mounting, 3 contact unit(s), Contacts: 6, 45 °, maintained, With 0 (Off) position, Phase/Phase-0-Phase/N, Design number 8007

 		3 View Availability View Price

015607

T0-6-8009/E

Y7-15607

Voltmeter selector switches, Contacts: 12, 20 A, front plate: 5-6-0-1-2-3-0-4, 45 °, maintained, flush mounting

Voltmeter selector switch; 12 poles; 20 A; Indicator plate:

Eaton Moeller® series T0 Voltmeter selector switches, T0, 20 A, flush mounting, 6 contact unit(s), Contacts: 12, 45 °, maintained, With 0 (Off) position, 5-6-0-1-2-3-0-4, Design number 8009

 		3 View Availability View Price

016927

T3-1-8001/E

Y7-16927

Voltmeter selector switches, Contacts: 1, 32 A, front plate: 0-1-0-1, 90 °, maintained, flush mounting

Voltmeter Selector Switch 1 Pole 20 A Indicator Plate:

Eaton Moeller® series T3 Voltmeter selector switches, T3, 32 A, flush mounting, 1 contact unit(s), Contacts: 1, 90 °, maintained, With 0 (Off) position, 0-1-0-1, Design number 8001

 		3 View Availability View Price

016932

T3-1-8002/E

Y7-16932

Voltmeter selector switches, Contacts: 2, 32 A, front plate: 0-1-0-1, 90 °, maintained, flush mounting

Voltmeter Selector Switch 2 Pole 32 A Indicator Plate:

Eaton Moeller® series T3 Voltmeter selector switches, T3, 32 A, flush mounting, 1 contact unit(s), Contacts: 2, 90 °, maintained, With 0 (Off) position, 0-1-0-1, Design number 8002

 		3 View Availability View Price

018205

T3-2-15920/E

Y7-18205

Voltmeter selector switches, Contacts: 4, 32 A, 3 x phase-phase, front plate: 0-Phase/Phase, 45 °, maintained, flush mounting

Voltmeter Selector Switch 4 Pole 32 A 3 x Phase-Phase Plate

Eaton Moeller® series T3 Voltmeter selector switches, T3, 32 A, flush mounting, 2 contact unit(s), Contacts: 4, 45 °, maintained, With 0 (Off) position, 0-Phase/Phase, Design number 15920

 		3 View Availability View Price

019371

T3-3-8007/E

Y7-19371

Voltmeter selector switches, Contacts: 6, 32 A, 3 x phase-phase, 3 x phase-N, front plate: Phase/Phase-0-Phase/N, 45 °, maintained, flush mounting

Voltmeter selector switch 6 poles 32 A 3 x Phase-Phase 3 x

Eaton Moeller® series T3 Voltmeter selector switches, T3, 32 A, flush mounting, 3 contact unit(s), Contacts: 6, 45 °, maintained, With 0 (Off) position, Phase/Phase-0-Phase/N, Design number 8007

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