ATS (Automatic Transfer Switch) is type of switches that transfer power between two or more sources.
MTS (Manual Transfer Switch) is type of switches that transfer power between two or more sources when the primary source fails which requires manual switching.
Power outages can occur, even in high reliability distribution networks, leading to major incidents and losses on critical applications:
To maximize your power availability, the range will safely transfer from any unstable or lost source to an alternate source. Furthermore, we ensure that you are prepared at all times thanks to our unique safety functions that facilitate maintenance on your low voltage electrical installation.
ATS (Automatic Transfer Switch) is type of switches that transfer power between two or more sources. ATS automatically switches power when the primary source fails, which often have built in controllers that allow for remote monitoring and control. ATS are more suitable for critical power applications where reliability and automation are essential, which commonly used in a hospital and data centers.
Cumper also distributes of products related to Power Generator Control System:
Rapid commissioning
With an integrated DPS and controller for functions dedicated to mains/genset applications
Secure Programming
Capacity Ranges from 125A to 3200A
3P, 240V /480V
4P, 400V
Enclosed wall mounted in NEMA1 (125A – 800A)
Enclosed free standing In NEMA1 (1000A – 3200A)
| Ampere ratings | No. of Pole | Product ref. no. |
|---|---|---|
| 125A | 3P, 240V /480V | 95233012 |
| 4P, 400V | 95234012 | |
| 160A | 3P, 240V /480V | 95233016 |
| 4P, 400V | 95234016 | |
| 200A | 3P, 240V /480V | 95233020 |
| 4P, 400V | 95234020 | |
| 315A | 3P, 240V /480V | 95233031 |
| 4P, 400V | 95234031 | |
| 400A | 3P, 240V /480V | 95233040 |
| 4P, 400V | 95234040 | |
| 500A | 3P, 240V /480V | 95233050 |
| 4P, 400V | 95234050 | |
| 630A | 3P, 240V /480V | 95233063 |
| 4P, 400V | 95234063 | |
| 800A | 3P, 240V /480V | 95233080 |
| 4P, 400V | 95234080 | |
| 1000A | 3P, 240V /480V | 95233100 |
| 4P, 400V | 95234100 | |
| 1250A | 3P, 240V /480V | 95233120 |
| 4P, 400V | 95234120 | |
| 1600A | 3P, 240V /480V | 95233160 |
| 4P, 400V | 95234160 | |
| 2000A | 3P, 240V /480V | 95234200 |
| 4P, 400V | 95234200 | |
| 2500A | 3P, 240V /480V | 95233250 |
| 4P, 400V | 95234250 | |
| 3200A | 3P, 240V /480V | 95233320 |
| 4P, 400V | 95234320 |
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Capacity 3Phase 220V
| Model | Rating |
|---|---|
| CDQI-100A | 100A Ampere |
| CDQI-225A | 125A – 225A Ampere |
| CDQI-400A | 400A Ampere |
| CDQI-600A | 500A – 600A Ampere |
| CDQI-800A | 800A Ampere |
| CDQI-1250A | 1000A- 1250A Ampere |
| Rating | Estimated Panel Size | No. of Pole |
|---|---|---|
| 20 to 100Ampere | 400 x 600 x 200mm | 2 |
| 125 to 225Ampere | 400 x 600 x 200mm | 2 |
| 20 to 100Ampere | 400 x 600 x 200mm | 3 |
| 125 to 225Ampere | 400 x 600 x 200mm | 3 |
| 250 Ampere | 400 x 600 x 200mm | 3 |
| 300 to 400Ampere | 600 x 800 x 250mm | 3 |
| 500 to 600Ampere | 800 x 1000 x 300mm | 3 |
| 700 to 800Ampere | 800 x 1000 x 300mm | 3 |
| 1000 Ampere | 800 x 1800 x 500mm | 3 |
| 1200 Ampere | 800 x 1800 x 500mm | 3 |
| 1600 Ampere | 800 x 1800 x 500mm | 3 |
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MTS (Manual Transfer Switch) is type of switches that transfer power between two or more sources when the primary source fails which requires manual switching. MTS are better for less critical applications where cost and ease of operation are more important, which commonly used in a residential house, small commercial buildings, and other applications where MTS is sufficient.”
Salzer Manual Transfer Switch (MTS)
3-Pole CAM TYPE Double Throw Changeover Switch
Ampere rating | No of Pole | Model |
63A 2PDT | 2PDT | SA63-3-2 |
63A 3PDT | 3PDT | SA63-3-3 |
125A 2PDT | 2PDT | SA125-3-2 |
125A 3PDT | 3PDT | SA125-3-3 |
3-Pole Double Throw Changeover Switch
Ampere rating | No of Pole | Model |
125A / 160A | 3P | SPL-125 |
200A / 250A | 3P | SPL-250 |
315A / 400A | 3P | SPL-400 |
500A / 630A | 3P | SPL-630 |
800A / 1000A | 3P | SPL-1000 |
1200A | 3P | SPL-1200 |
1600A | 3P | SPL-1600 |
Sircover Manual Transfer Switch (MTS)

Sircover ( External ) Manual Transfer Switch
Enclosed wall mounted in NEMA1 (125A – 1250A)
Enclosed free standing In NEMA1 (1250A – 3200A)
For Enclosed type please note the following:
1 – Bridging bars included,
2 – Extended busbars included > 1600A,
3 – Terminal Lugs EXCLUDED
For Open type please note the following:
1 – Bridging bars Excluded
2 – Extended busbars Excluded
3 – Terminal Lugs EXCLUDED
Ampere ratings | No. of Pole | Product ref. no. |
125A | 3P | 41AC 3013 + 1421 2113 + 1400 1020 |
4P | 41AC 4013 + 1421 2113 + 1400 1020 | |
160A | 3P | 41AC 3016 + 1421 2113 + 1400 1020 |
4P | 41AC 4016 + 1421 2113 + 1400 1020 | |
200A | 3P | 41AC 3020 + 1421 2113 + 1400 1020 |
4P | 41AC 4020 + 1421 2113 + 1400 1020 | |
250A | 3P | 41AC 3025 + 1421 2113 + 1400 1020 |
| 4P | 41AC 4025 + 1421 2113 + 1400 1020 |
315A | 3P | 41AC 3031 + 1421 2113 + 1400 1020 |
4P | 41AC 4031 + 1421 2113 + 1400 1020 | |
400A | 3P | 41AC 3039 + 1421 2113 + 1400 1020 |
4P | 41AC 4039 + 1421 2113 + 1400 1020 | |
500A | 3P | 41AC 3050 + 1421 2113 + 1400 1020 |
4P | 41AC 4050 + 1421 2113 + 1400 1020 | |
630A | 3P | 41AC 3063 + 1421 2113 + 1400 1020 |
4P | 41AC 4063 + 1421 2113 + 1400 1020 | |
800A | 3P | 41AC 3080 + 1443 3113 + 1401 1520 |
4P | 41AC 4080 + 1443 3113 + 1401 1520 | |
1000A | 3P | 41AC 3100 + 1443 3113 + 1401 1520 |
4P | 41AC 4100 + 1443 3113 + 1401 1520 | |
1250A | 3P | 41AC 3120 + 1443 3113 + 1401 1520 |
4P | 41AC 4120 + 1443 3113 + 1401 1520 | |
1600A | 3P | 41AC 3160 + 1443 3113 + 1401 1520 |
4P | 41AC 4160 + 1443 3113 + 1401 1520 | |
1800A | 3P | 41AC 3180 + 1443 3113 + 1401 1520 |
| 4P | 41AC 4180 + 1443 3113 + 1401 1520 |
2000A | 3P | 41AC 3200 + 1453 8113 + 2799 3015 |
4P | 41AC 4200 + 1453 8113 + 2799 3015 | |
2500A | 3P | 41AC 3250 + 1453 8113 + 2799 3015 |
4P | 41AC 4250 + 1453 8113 + 2799 3015 | |
3200A | 3P | 41AC 3320 + 1453 8113 + 2799 3015 |
4P | 41AC 4320 + 1453 8113 + 2799 3015 |
Sircover (Direct Open Type) Manual Transfer Switch
Enclosed wall mounted in NEMA1 (125A – 1250A)
Enclosed free standing In NEMA1 (1250A – 3200A)
For Enclosed type please note the following:
1 – Bridging bars included,
2 – Extended busbars included > 1600A,
3 – Terminal Lugs EXCLUDED
For Open type please note the following:
1 – Bridging bars Excluded
2 – Extended busbars Excluded
3 – Terminal Lugs EXCLUDED
Ampere ratings | No. of Pole | Product ref. no. |
125A | 3P | 41AC 3013 + 1122 1111 |
4P | 41AC 4013 + 1122 1111 | |
160A | 3P | 41AC 3016 + 1122 1111 |
4P | 41AC 4016 + 1122 1111 | |
200A | 3P | 41AC 3020 + 1122 1111 |
4P | 41AC 4020 + 1122 1111 | |
250A | 3P | 41AC 3025 + 1122 1111 |
| 4P | 41AC 4025 + 1122 1111 |
315A | 3P | 41AC 3031 + 1122 1111 |
4P | 41AC 4031 + 1122 1111 | |
400A | 3P | 41AC 3039 + 1122 1111 |
4P | 41AC 4039 + 1122 1111 | |
500A | 3P | 41AC 3050 + 1122 1111 |
4P | 41AC 4050 + 1122 1111 | |
630A | 3P | 41AC 3063 + 1122 1111 |
4P | 41AC 4063 + 1122 1111 | |
800A | 3P | 41AC 3080 + 2799 7012 |
4P | 41AC 4080 + 2799 7012 | |
1000A | 3P | 41AC 3100 + 2799 7012 |
4P | 41AC 4100 + 2799 7012 | |
1250A | 3P | 41AC 3120 + 2799 7012 |
4P | 41AC 4120 + 2799 7012 | |
1600A | 3P | 41AC 3160 + 2799 7012 |
4P | 41AC 4160 + 2799 7012 | |
1800A | 3P | 41AC 3180 + 2799 7012 |
| 4P | 41AC 4180 + 2799 7012 |
2000A | 3P | 41AC 3200 + 2799 7042 |
4P | 41AC 4200 + 2799 7042 | |
2500A | 3P | 41AC 3250 + 2799 7042 |
4P | 41AC 4250 + 2799 7042 | |
3200A | 3P | 41AC 3320 + 2799 7042 |
4P | 41AC 4320 + 2799 7042 |