Steel tube mercury switch is
sealed in vinyl ball with polyurethene foam resin. It will take considerable shock without
damage. There is no glass to break as found in other switches.
For use in sewage water and many
other liquids where level control is required.
Complete switch assembly is non
toxic. Our switches can be used for level control in tanks and sumps containing drinking
water.
Maximum temperature of liquids is
150 degrees F. It is not recommended for use in strong acids or crude oil.
Control cord is SJOW-A or SO for
better flexibility and more resistance to oil.
Standard cord length is 15 ft.
Longer cords on application.
Positive leak proof seal on cord
and mercury switch.
Model
Number
Description
Size
Price
TEII-1
T-1900-NO
1
Contact Us
TEII-2
T-1901-NC
2
Contact Us
Specifications
Mercury
Switch- Steel tube houses mercury and contacts. Contact is through mercury to
mercury. No mechanical contacts. Switch Rating- 20 amps @120 volts, 16 amps @240 volts, 10 amps @220 volts
DC, and 8 amps @240 volts DC. Power Cord- Type SJOW-A for 300 volt max. and SO for 600 volt max. Cord
supports control at proper height in sump to tank. Standard cord length 15 ft. Longer cord
available. 1000 ft. maximum. Mounting Bracket- Special bracket to support 1-2-3 or 4 controls can be
furnished. Made for mounting to pipe or sump wall. Blue Controls- With normally open contacts for pump down service. Model
T-1900-NO Red Controls- With normally closed contacts for pump up service. Model
T-1901-NC Mercury Tube Switch & Cord- Sealed in vinyl ball with leak proof
polyurethance resin. Switch has been tested submerged in salt water for thousands of hours
with no sign of leakage.