Mobrey Side Mount Level Switch SPDT Output

  • RS Stock No. 185-9847
  • Mfr. Part No. SMA1
  • Manufacturer Mobrey
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): GB
Product Details

Industrial Miniswitch

Mobrey M-Switch. Designed for alarm functions, this compact switch in 316 stainless steel utilises a micro-change switching mechanism activated magnetically as the float moves through the switching position. This float assembly rises and falls according to the liquid level. Ideal for use within condensate tanks, header tanks, storage tanks or for providing an alarm for low levels of lubricating oils or fuels. The mini switch can be side mounted or in an external chamber. The M-Switch has excellent construction and is highly reliable.

25mm switching differential
SG of liquid; 0.75min.
Mounting arrangement Mobrey 'A' flange
Available as standard or ATEX approved (Flameproof ATEX 11 1/2G EExd IIc T6, IP66/IP67)
NOT suitable for direct pump control (unless 2 switches are used)

Mobrey M-Switch SMA1
Float Operated Liquid Level Switch

Benefits:

• Highly reliable
• Excellent construction
• Available for side mounting with either a flanged or 2-in. threaded connection
• Reliably detects the liquid level to give a voltage free contact operation for alarm signalling or as part of a pump control system

Features:

• Minimum liquid specific gravity: 0.75
• Differential: 1in (25mm)
• Length into tank: 6in (153mm)
• Float diameter: 1.9in (48mm)
• Maximum float swing: 4.4in (112mm)
• Switching function: SPCO (Single-Pole-Change-Over) relay
• Ambient temperature: 32 to 140 °F (0 to 60 °C)

Note: The microswitch contacts are gold-plated and are suitable for use in low-power circuits. Switching high-power circuits can permanently damage the gold-plating. Not suitable for the direct starting of large motors.

Typical Applications:

• Low level alarms in lubricating oils and fuel oils
• Pump control duty in header tanks
• High and low alarms in condensate tanks
• Level and pump control in storage tanks

Approvals:

ATEX (Flameproof ATEX 11 1/2G EExd IIc T6, IP66/IP67)

Specifications
Attribute Value
Device Type Level Alarm Switch
Mounting Type Side Mount
Switch Output SPDT
Body Material Stainless Steel
Minimum Operating Temperature 0°C
Maximum Operating Temperature +130°C
Maximum Current 15 A ac, 250 mA dc
Maximum Pressure 19bar
Gasket Material Non Asbestos Carbon Fibre
Discontinued product
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