Sell your Siemens GM-SG metal-clad switchgear.
Medium-voltage air-insulated drawout metal-clad switchgear housing type GMSG vacuum circuit breakers with the 3AH3 operating mechanism.. Also sold as Siemens GM switchgear, Siemens type GM-SG, Siemens SGM-SG Shelter-Clad, Siemens OGM-SG, Siemens GM-SG-AR, Siemens GM38. New surplus, used, or failed. Send the nameplate, get a written offer.
Get an offerWhat it is
Photograph the lineup nameplate and the nameplate on each GMSG breaker. Note whether the lineup is indoor GM-SG or outdoor SGM-SG or OGM-SG, and photograph relays and auxiliary drawers.
| Type | Medium-voltage air-insulated drawout metal-clad switchgear housing type GMSG vacuum circuit breakers with the 3AH3 operating mechanism. |
|---|---|
| Manufacturer | Siemens, Siemens GM switchgear, Siemens type GM-SG, Siemens SGM-SG Shelter-Clad, Siemens OGM-SG, Siemens GM-SG-AR, Siemens GM38 |
| On the nameplate | GM-SG, GM-SG-AR, SGM-SG, OGM-SG, S+GM-SG, GM38 |
| Breakers inside | GMSG, GM, GMI |
| Years | GM-SG announced 2006; earlier type GM gear dates from the late 1980s |
| Max voltage | 4.76, 8.25, 15, 17.5 and 27 kV |
| BIL | 60 kV (4.76 kV), 95 kV (8.25 to 17.5 kV), 125 kV (27 kV) |
| Continuous | 1200 to 3000 A, 4000 A fan cooled up to 17.5 kV; 1200 to 2500 A, 3000 A fan cooled at 27 kV |
| Interrupting | 25 to 63 kA at 15 kV; 25 or 40 kA at 27 kV |
| Construction | One-high or two-high, indoor or outdoor |
| Outdoor types | SGM-SG walk-in Shelter-Clad, OGM-SG non-walk-in, S+GM-SG Shelter-Clad+ |
- Complete lineups with GMSG breakers are worth much more than empty structures.
- 63 kA and 3000 A or 4000 A fan-cooled ratings are the most sought.
- Outdoor Shelter-Clad lineups in sound condition sell well to industrial buyers.
- Older GM lineups with GMI breakers have value but trade lower than GM-SG.
- We do not publish prices. Metal, demand, and condition move them. You get a written number for your unit.
Siemens announced GM-SG on October 2, 2006 as a redesign of its GM switchgear around the 3AH3 operator, built at its Queretaro, Mexico factory. The interlocks let a higher-rated breaker go into a lower-rated cell but not the reverse, and Siemens offers a universal spare breaker by rating. Older type GM gear from the late 1980s uses GMI breakers, and Siemens still offers GMI breakers and match-in-line extensions. Siemens' 38 kV metal-clad family is type GM38.
Three photos price most Siemens GM-SG metal-clad switchgear offers.
The nameplate
Straight on and readable. Voltage, ratings, model, and serial in frame.
Inside
Doors open: bus, devices, controls, and anything burned or missing.
The whole unit
A wide shot plus what is around it, so we can plan the pick.
Each section carries a nameplate, usually inside the front door or on the instrument panel. Photograph the lineup nameplate, one breaker nameplate per type, and a wide shot of the whole lineup with doors closed.
- 01Send the nameplate
Photos or a list with counts. Text, email, or the form.
- 02We read it and reply
During business hours, by whatever contact method you picked.
- 03You get a written offer
Per unit or per lot. Freight is in the number.
- 04We pick up and pay
Our truck and our rigging. Wire or ACH within 3 business days of a passed inspection.
Freight: Sections typically ship split, one or two vertical sections per pick. Each section can run from 1,500 to over 5,000 pounds with the breakers out. Breakers ride separately on pallets. We bring the rigging plan; you tell us about door widths and floor access.
Selling a Siemens GM-SG metal-clad switchgear: what people ask.
Yes. We buy GM lineups with GMI breakers as well as GM-SG and GM38 gear.
Yes. We buy breakers with or without the lineup, but complete lineups bring the best offers.
Yes. We buy SGM-SG Shelter-Clad and OGM-SG outdoor lineups and arrange rigging and freight.
Both. New surplus, used, untested, and failed all sell. Condition sets the number, not whether we buy.