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Ramsey

Ramsey Conveyor Protection Switches





Protect your equipment, prevent accidents and reduce unscheduled shutdowns with Thermo Scientific Ramsey conveyor protection switches. Our switches are used for position information, for control signals, and to identify potentially hazardous situations with your process equipment. They utilize a rugged, heavy-duty design and are built to last.

Product Detail

The Ramsey Belt Misalignment Switch is used to monitor the position and tracking of conveyor belts. It is mounted on the conveyor structure and adjusted so the roller arm is the proper distance and angle from the outside edge of the belt. When a belt drifts out of alignment it contacts the roller actuator arm which rotates the actuation shaft, causing the belt misalignment switch to send an alarm signal.
The Ramsey Safety Cable Pull Switch is used as an emergency shutdown device for conveyors or other equipment. They meet OSHA and MSHA requirements for safety shutdown devices.
Safety pull cables are attached to the actuating arm of the switch. When force is applied to the pull cable it rotates the actuating arm and actuating shaft. At a 20° rotation the switch enters a tripped and locked position. The actuating shaft has two cams inside the housing. Each cam simultaneously actuates an independent SPDT micro-switch for shutdown and alarm signals.
The Ramsey Tripper Position Switch is a heavy duty limit switch. It is often used to indicate the position of a tripper on a conveyor with multiple discharge points. However, it can be used anywhere you need an extremely heavy duty limit switch with physical activation.

INVERTER

INVERTER

Whatever the output power range (from 500Va to 225kVA) and whatever your DC input voltage (24Vdc, 48Vdc, 60Vdc, 110Vdc, 220Vdc), 

Specific Technical Caracteristics

Nominal output power / current	nx2500VA / nx10,9A (n = number of modules)
Nominal DC input current  per Module (at 40Vdc)	nx56A
Max DC input current  per Module (15s at 40Vdc)	nx84A
Efficiency in EPC mode (AC to AC)	96%
Efficency DC/AC on battery	91%
AC input range	150VAC – 265VAC
Operating T°	-20°C / +50°C (derating up to 65°C)
Supervision	T2S controller as standard