3KJ0242-4AA20-1AA0
Siemens SINOPLUS 3KJ Manual On-Load Changeover Switch - 400A, 4 Pole, Enclosed Execution
The Siemens SINOPLUS 3KJ0242-4AA20-1AA0 is a 400 A, 4-pole manual on-load changeover switch (MCOS) for switching a load between two supplies, typically mains and DG set, with stable I-O-II positions and safe, positive isolation. It is a switch-disconnector type device compliant with IS/IEC 60947-3, supplied in a ready-to-install enclosure with front operating handle. The unit MRP includes the front drive (handle), shaft, phase barriers and bridging bars, so no extra parts are needed for a standard changeover.
Key Features
- 4-pole on-load changeover, switch-disconnector type
- Stable I-O-II positions with safe switching
- Suitable for positive isolation
- Complies with IS/IEC 60947-3
- Utilisation categories AC-21 / AC-22 / AC-23 at 415 V, 50/60 Hz
- Built-in bridging bars and phase barriers
- Handle, shaft, phase barriers and bridging bars included in MRP
- Modular construction (125 A to 3150 A range)
- Wide portfolio of accessories and spares
Technical Specifications
| Brand | Siemens |
|---|---|
| Product Range | SINOPLUS 3KJ Manual On-Load Changeover Switch |
| Order Code (MLFB) | 3KJ0242-4AA20-1AA0 |
| Rated Operational Current (Ie) | 400 A @ 415 V, 50/60 Hz |
| Number of Poles | 4 |
| Execution | Enclosed |
| Series / Frame Size | 3KJ0, Size 2 |
| Switch Positions | I - O - II |
| Device Type | Switch disconnector |
| Utilisation Category | AC-21 / AC-22 / AC-23 @ 415 V |
| Standard | IS/IEC 60947-3 |
| Included in MRP | Front drive (handle), shaft, phase barriers, bridging bars |
| Standard Pack | 1 unit |
| List Price (MRP) | Rs. 95,035 |
| Open Version | 3KJ0242-4AA20-0AA0 (MRP Rs. 76,130) |
Compatible Accessories & Spares (3KJ02)
| Accessory | Description | Order Code | MRP (Rs.) |
|---|---|---|---|
| Auxiliary switch | 1NO+1NC | 3KJ9001-5AB00 | 6,160 |
| Auxiliary switch | 2NO+2NC | 3KJ9001-5AD00 | 23,035 |
| Gland box (enclosed only) | With one gland plate | 3KJ9013-2MB00 | 14,315 |
| Spare phase barrier | 3KJ9003-3CA00 | 175 | |
| Spare front drive (handle) | Plastic | 3KJ9006-2FT00 | 1,110 |
| Spare shaft | 3KJ9007-2GA00 | 370 | |
| Spare pole | 200A / 250A / 315A / 400A | 3KJ9008-2HE00 / -2HF00 / -2HG00 / -2HH00 | Price on request |
| Spare bridging bar | Load side, 200A / 250-315A / 400A | 3KJ9002-2BC00 / -2BD00 / -2BE00 | Price on request |
Auxiliary switch pack includes 2 units, one each for position I and II. Gland box is for use with enclosed switches.
Typical Applications
DG set / mains changeover in LT panels, commercial buildings and industry; Metro, Solar, Power Utilities, Ports, Cranes, Offshore, Metal, Oil & Gas and Mining.
Genuine Siemens product supplied by Aventra Systems. Need a different rating, enclosed version or accessories? Contact us for a quotation.