About Changeover & By Pass Switch
Changeover & By Pass Switch
Salient Features
- Modular design in 3 & 4 pole (63A ~3150A), suitable for utilization category AC-23A
- Easy maintenance as each pole can be replaced easily due to modular construction, saving cost of entire Switch in case of single pole being burnt or damaged.
- Available in open execution & in sheet steel enclosure.
- Complies with the latest requirements of IEC-60947-1 &3 13947-1 &3 standards.
- Unique self cleaning contact construction with special knife type (200A~1800A), double break switching contacts (63~160A & 1000~1800A) & single break (200A~800A). Positive opening operation, with quick make - break and effective arc splitting plates guarantee reliability and long electrical life of the Switch.
- Excellent tracking resistance of isolation material in switch frame prevents flashover between phases even in the most trying & difficult locations.
- Adjustable telescopic shaft
- Compact construction
- Window for visual contact inspection
- Suitable for capacitor switching and as a Main switch
- Handle with in-built padlockable facility in-off position
- Provision for defeating door interlock
- Individual phase barrier can be incorporated without tools, between two terminals. Fully protected frame for safe operation in case of (200A~800A)
Function:
- These changeover switches are used to control disconnect any kind of circuit-disconnection feeders both resistive & inductive loads
- By means of manual operation, changeover performs circuit switching between two independent circuits -I & ll
Accessories
- Auxiliary contact (early break type) 1NO + 1NC or 2NO+2NC is available
- Key & Castle lock facility
Technical Parameters:
| Common Characteristics |
|
|
| Conformity to Standards | - | IEC 60947-3 / IS 13947-3 |
| No. of Poles | - | 3P / 4P |
| Rated Operational Voltage (Ue) | V | 415 |
| Rated Operational Frequency | Hz | 50 / 60 |
| Suitability for Isolation | - | YES |
| Pollution Degree as per IEC / IS | - | 3 |
| Ambient / Cubicle Service Temperature | oC | 45 |
| IP Level after mounting | - | IP 54 |
Technical Parameters compact on load changeover switch / compact On-load by pass switch
Replace '' with 3 in case of 3 pole or with 4 in case of 4 pole
| Parameters |
| 63A | 80A | 100A |
| Conventional Changeover Type CSSD |
| CSSD 63DCO | - | - |
| On-Load Compact Bypass Switch Type CSBS |
| CSBS 63DM | CSBS 80DM | CSBS 100DM |
| On-Load Compact Changeover Switch Type CSCS with shroting links |
| CSCS 63DMCO | CSCS 80DMCO | CSCS 100DMCO |
| On-Load Compact Changeover Switch Type CSCS without shorting links |
| - | - | - |
| Current rating at 45o C | Ith (A) | 63 | 80 | 100 |
| No. of Pole |
| 3/4 | 3/4 | 3/4 |
| Rated insulation Voltage Ui | V | 1000 | 1000 | 1000 |
| Maximum operational voltage Ue max | V | 690 | 690 | 690 |
| Di-electric strength at 50Hz for 1 min. | KV | 3.5 | 3.5 | 3.5 |
| Rated impulse voltage Uimp | KV | 12 | 12 | 12 |
| Rated operational current le at 415 V
AC 22A
AC 23A |
A
A
|
63
63
|
80
80
|
100
100
|
| Rated making capacity at 415V, 0.35 pf
AC 23A |
A
|
630
|
800
|
1000
|
| Rated breaking capacity at 415V, 0.35 pf
AC 23A |
A
|
504
|
640
|
800
|
| Capacitor rating at 415V, 3ph | kVAR | 50 | 50 | 50 |
| Short circuit current with fuses | KA r.m.s | 50 | 50 | 50 |
| Rated short circuit making capacity (peak) | kA | 10 | 10 | 10 |
| Short time current for 1 sec. | kA.r.m.s | 5 | 5 | 5 |
| Electrical Endurance | Operations | 5000 | 5000 | 5000 |
| #Mechanical Endurance | Operations | 10000 | 10000 | 10000 |
#Mechanical Endurance also includes Electrical Endurance
Superior Electrical performanceDesigned to support the full rated current with minimal contact resistance, this switch delivers reliable operation for demanding environments. The switching action is instantaneous due to the smooth rotary movement, ensuring minimal downtime during power changeover processes. The high dielectric strength and insulation resistance provide added safety and durability under varying voltage loads.
Easy Installation and MaintenanceFeaturing panel mounting and screw terminals, installation is straightforward and secure. The matte finish and standard panel-mount size fit seamlessly into control panels, while copper contacts and polycarbonate casing help minimize wear and extend lifespan. Maintenance is minimal, thanks to the robust construction and high mechanical life rating.
Safe and Flexible ApplicationsEngineered for industrial and commercial use, this switch adheres to rigorous international and Indian standards (IS/IEC 60947-3). Versatile in application, it accommodates various current ratings (32 A, 63 A, 100 A) and is suitable for use as a changeover or bypass switch in multiple power distribution scenarios. Its smooth operation and reliable performance maximize safety and efficiency.
FAQs of Changeover & By Pass Switch:
Q: How does the Changeover & By Pass Switch operate in industrial and commercial environments?
A: The switch enables seamless changeover between power sources through instantaneous rotary movement, ensuring uninterrupted supply and minimizing equipment downtime in both industrial and commercial settings.
Q: What are the available current ratings and pole configurations for this switch?
A: It is offered in current ratings of 32 A, 63 A, and 100 A, with options for 4-pole configurations. This makes it suitable for diverse power management requirements across installations.
Q: When should I consider using a Changeover & By Pass Switch in my facility?
A: This switch is ideal for facilities needing reliable backup power or alternate source switching, especially during routine maintenance or unexpected power outages to ensure continuous operation.
Q: Where is the best place to install this switch within a control panel?
A: The switch is recommended for standard panel-mount installations, ideally positioned for easy access and operation in main power distribution boards or emergency panels.
Q: What is the process for mounting and wiring this changeover switch?
A: It utilizes screw terminals for secure wiring and panel mounting for stability. Installation involves connecting input and output wires as per circuit requirements and securing the switch on the panel using the provided mounting hardware.
Q: How does having IS/IEC 60947-3 certification benefit users?
A: With IS/IEC 60947-3 certification, users can trust that the switch meets high international standards for electrical safety, reliability, and operational integrity, reducing risks and enhancing performance.
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