MEDIUM VOLTAGE VACUUM CONTACTOR
MVC Series
The Joslyn Clark USAVAC medium voltage vacuum contactors are ideal for applications for 2300V to 7200V. Current ratings of 200–1200 ampere, and motor ratings up to 7000 HP at 6600V are available.
- •7200V, 600 Ampere, 3 phase vacuum contactor with In-Line Power Terminals
- •400 Ampere, 3 phase vacuum contactor with alternative line terminal position enabling line andload termination to be on same side of contactor. Ideal for dropout starter designs. Can be easily converted.
The MVC Series Medium Voltage Vacuum Contactors offer many unique features to create easy maintenance, dependability and versatility. The modular design allows for a simplified assembly and easy inspection, utilizing minimum parts.
The control module contains the coil and auxiliary contacts, which can easily be removed for inspection or replacement.
Features
- • Front Accessible
- • Panel mount or table mount
- • Field selectable power terminals
- • Full phase insulated, B.I.L. 60kV
- • Rugged design
- • Compact, Lightweight
- • Low Maintenance
- • Self-adjusting power contacts
Industrial Excellence
Proven performance in demanding industrial environments with reliable switching action and minimal maintenance requirements.
Performance at a glance. Reliable Power.
MVC Series vacuum contactors rated from 2.5kV to 7.2kV with breaking capacity up to 18,000A—built for industrial reliability.
Voltage Range
2,500V - 7,200V
Rated Current
200A, 400A, 600A
Motor HP Rating
Up to 1,300 HP
Mechanical Life
2,000,000+ cycles
Electrical Life
1,000,000 cycles
Breaking Capacity
Up to 18,000A
Technical Drawings
Complete Specifications. All Details.
From catalog numbers and power ratings to application limits—everything you need for system integration and selection.
Catalog Numbers
| Voltage Rating | 200A | 400A | 600A |
|---|---|---|---|
| 2,500V | MCV77U032A5-** | MCV77U034A5-** | MCV77U036A5-** |
| 5,000V | MCV77U032A60-** | MCV77U034A60-** | MCV77U036A60-** |
| 7,200V | MCV77U032A72-** | MCV77U034A72-** | MCV77U036A72-** |
Power Ratings Enclosed
| Specification | 200A | 400A | 600A |
|---|---|---|---|
| Rated Insulating & Operating Voltage | 2500V-7200V | ||
| Rated Operational Current | 200A | 400A | 600A |
| Rated Frequency | 50-60Hz | ||
| Making Current | 2,000A | 4,000A | 6,000A |
| Breaking Current | 2,000A | 4,000A | 6,000A |
| Short Time Current 1 Sec. | 6,000A | 7,000A | 9,000A |
| Short Time Current 2 Sec. | 2,000A | 2,600A | 3,000A |
| Interrupting Current | 4,500A | 6,000A | 8,000A |
| Mechanical Life - No Load | 2,000,000 cycles | ||
| Electrical Life at Rated Current | 1,000,000 cycles | ||
| Switching Frequency | 600 cycles per hour | ||
| Dielectric Strength / B.I.L. | 60 kV (Full Phase Insulated) |
Application Ratings
| Specification | Value |
|---|---|
| Mounting Installation | All Planes (Contactor only) |
| Altitude | 6600 ft. (2000 Meters) |
| Operating Temperature Range | -40°F (-40°C) +122°F (+50°C) |
| Vibration / Shock | 40Hz - 2G / 30G |
| Weight | 18.6 kg (41 lbs) |
| Auxiliary Contacts | 2 sets of Form C Contacts |
Voltage & Current
Configuration
Three voltage ratings from 2.5kV to 7.2kV with flexible current configurations for any industrial application.
| Voltage Rating | Available Current (A) | Motor HP Rating | 3-Phase kVA |
|---|---|---|---|
| 2,500V | 200A, 400A, 600A | 200 HP | 2,160 kVA |
| 5,000V | 200A, 400A, 600A | 400 HP | 4,330 kVA |
| 7,200V | 200A, 400A, 600A | 1,300 HP | 6,235 kVA |
Coil Supply Voltage Options
1
Coil Voltage110/120VAC 50/60Hz
2
Coil Voltage220/240VAC 50/60Hz
125
Coil Voltage125VDC
250
Coil Voltage250VDC