The Telergon S7 Series is a compact range of load break switches operated manually that ensures the on-load closing and opening of DC circuits up to 1500VDC. Available from 160A up to 500A.

Telergon S7 load break switches combine patented innovation and performance, offering up to 1500 VDC in just two poles and minimizing power loss. Powerful performance packed into an impressively compact form.

Key features of our S7:

• Non-polarized, allowing any type of connection
• Available in two poles
• High conditional short-circuit current. Up to 120kA rms
• Load break switching
• Front or side operation versions
• Through the door or direct handle.

Our S7 is designed for these applications:

• PV Combiner Boxes
• PV Load Break Disconnect boxes
• Battery Energy Storage Solutions (BESS)
• EV Chargers and Super Chargers
• EV Trucks
• Data centers: Bus distribution, rack-level feeders, DC Panels

Certified for global markets: 

• IEC60947-3
• UL 98B
• CSA 22.2 No.4
• UL Guide WHVA listed

Patented technology US 10,269,512 B2

Cam switches available from 12 to 1200A (under request) in several construction types (series), different types of fixations (panel mounting, quick fixing Ø 22, base mounting, etc.) inside a wide range of sizes, currents, and extensive range of accessories. They are manufactured according to IEC / EN 60947-3 standard, CSA 22.2-14, UL 60947-4-1.

For more information on this series; see downloadable document about accessories and General Information of the series.

Switch – disconnectors on-load, are available from 200 to 800A and from 1250A up to 1800A in 3P – 3P+N & 4P versions (under request). Rated breaking current of up to 8 times the rated operational current, whit ability to establish and support short circuit currents up to 100kA.

Uninterrupted duties in extreme tropic and polar conditions, as well as the polluted environment of any industrial process. Protection against accidental over voltages in equipments connected between phase and neutral (our standard 3P+N) whit advanced switched neutral pole (early make – late break).

Available with manual or motorized operation from 200 A up to 1600 A.

CTR2: Manual operation

Changeover switches on-load, are available from 63 to 3150A in 3P – 3P+N in metal enclosure (IP55 or IP65) with manual operation. It includes compact and normal changeover switch.

• CTR2CC – CCF y CCP in metal enclosure (IP65)
• CTR2FC – S5F in metal enclosure (IP65)
• CTR2EC – CEC (compact) in metal enclosure (IP65)

CTRC: Motorized operation

Solutions with motorized operation from 125 to 2000A in 3P – 3P+N versions are also available in a metal enclosure (IP65) and Main – Gen management, depending on the model. Power connections on the bottom for direct access, and part of the power protected against accidental contact.

• CTRCCC – CCF with motorized operation in metal enclosure (IP66).
• CTRCFC -S5F with motorized operation in metal enclosure.

Switch-disconnectors available from 40 to 1600A in versions 3P, 3P + N, in metal enclosure or polyester enclosure with or without fuse bases according to model IP65. External padlockable handle that looks the door in ON I position. Door opening is blocked by the padlock when handle is in OFF 0 position. External clutch mode on door.

Available models: 

• A – S5 switch-disconnector + double insulated polyester box + fuse base.
• D – S5 switch-disconnector + double insulated polyester enclosure + fuse base
• C – S5 switch-disconnector + metal enclosure
• F – S5 switch-disconnector + metal enclosure + fuse base

Switch – disconnectors on-load available from 125A up to 800A with drive mechanism on front, are in 6P or 8P versions. Uninterrupted duties in extreme tropic and polar conditions, as well as the polluted environment of any industrial process.

Available with manual or motorized operation from 250A up 800A.