FS Series Flow Switches

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Applications

FS series flow switches are used to monitor and control flow rate of liquid and gas, which are widely installed in the refrigeration equipment, wastewater treatment equipment, paper making machines, food machines, pharmaceutical machinery, etc. The flow switches are available with plastic body and metal body. Yuanben offers various flow switches to meet different application needs.

FS-100 Flow Switch – Plastic Body
- Switching Voltage: 100Vac, 220Vac
- Switching Current: 1.0 Amax
- Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed)
- Set Point Tolerance: 10％(max.)
- Setting Accuracy: ±10％
- Range of Flow Rate: 0.55~15L/min
- Operation Temperature: -10~80℃
- Operation Pressure: 0.8Mpa
- Lead Wire: UL1015, AWG22 (300mm long)
- Fatigue Limit: 100,000 times
- IP Rating: IP55
- Connection Size: 3/4" FNPT
- Housing Material: PVC

FS-200 Flow Switch
- Switching Voltage: 100Vac, 220Vac
- Switching Current: 1.0 Amax
- Switch Power Rating: 70 V A
- Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed)
- Set Point Tolerance: 10％ (max.)
- Setting Accuracy: ±10％
- Range of Flow Rate: 0.95~15L/min
- Operation Temperature: -20~120℃
- Operation Pressure: 3.0Mpa
- Lead Wire: UL1015, AWG22 (300mm long)
- Fatigue Limit: 100,000 times
- IP Rating: IP55
- Connection Size: 3/4" FNPT
- Housing Material: brass

FS-300 Flow Switch
- Switching Voltage: 100Vac, 220Vac
- Switching Current: 1.0 Amax
- Switch Power Rating: 70 V A
- Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed)
- Set Point Tolerance: 10％(max.)
- Setting Accuracy: ±10％
- Range of Flow Rate: 0.95~20L/min
- Operation Temperature: -20~120℃
- Operation Pressure: 3.0Mpa
- Lead Wire: UL1015, AWG22 (300mm long)
- Fatigue Limit: 100,000 times
- IP Rating: IP5
- Connection Size: 3/4" FNPT
- Housing Material: SUS304 stainless steel

FS-400 Flow Switch
- Switching Voltage: 100Vac, 220Vac
- Switching Current: 1.0 Amax
- Switch Power Rating: 70 V A
- Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed)
- Set Point Tolerance: 10％(max.)
- Setting Accuracy: ±10％
- Range of Flow Rate: 0.95~15L/min
- Operation Temperature: -20~120℃
- Operation Pressure: 3.0Mpa
- Lead Wire: UL1015, AWG22 (300mm long)
- Fatigue Limit: 100,000 times
- IP Rating: IP55
- Connection Size: 1/2" FNPT
- Housing Material: SUS304 stainless steel

FS-500 Flow Switch
- Switching Voltage: 100Vac, 220Vac
- Switching Current: 1.0 Amax
- Switch Power Rating: 70 VA
- Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed)
- Set Point Tolerance: 10％(max.)
- Setting Accuracy: ±10％
- Range of Flow Rate: 0.95~10L/min
- Operation Temperature: -20~120℃
- Operation Pressure: 3.0Mpa
- Lead Wire: UL1015, AWG22 (300mm long)
- Fatigue Limit: 100,000 times
- IP Rating: IP55
- Connection Size: 1/2" FNPT
- Housing Material: plastic (brass optional)

FS-600 Flow Switch
- Switching Voltage: 100Vac, 220Vac
- Switching Current: 1.0 Amax
- Switch Power Rating: 70 V A
- Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed)
- Set Point Tolerance: 10％(max.)
- Setting Accuracy: ±10％
- Range of Flow Rate: 0.15~2L/min
- Operation Temperature: -20~120℃
- Operation Pressure: 3.0Mpa
- Lead Wire: UL1015, AWG22 (300mm long)
- Fatigue Limit: 100,000 times
- IP Rating: IP55
- Connection Size: G 1/8"
- Housing Material: SUS304 stainless steel

FS-1000 Flow Switch
- Switching Voltage: 100Vac，220Vac
- Switching Current: 1.0 Amax
- Switch Power Rating: 70 V A
- Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed)
- Set Point Tolerance: 10％(max.)
- Setting Accuracy: ±10％
- Range of Flow Rate: 0.15~2L/min
- Operation Temperature: -20~120℃
- Operation Pressure: 3.0Mpa
- Lead Wire: UL1015, AWG22 (300mm long)
- Fatigue Limit: 100,000 times
- IP Rating: IP55
- Connection Size: G 1/8"
- Housing Material: SUS304 stainless steel

FS-2000 Flow Switch
- Switching Voltage: 100Vac, 220Vac
- Switching Current: 1.0 Amax
- Switch Power Rating: 70 V A
- Switch Connections: SPST-NO (Normally Open)/SPST-NC (Normally Closed)
- Set Point Tolerance: 10％(max.)
- Setting Accuracy: ±10％
- Range of Flow Rate: 0.15~2L/min
- Operation Temperature: -20~120℃
- Operation Pressure: 3.0Mpa
- Lead Wire: UL1015, AWG22 (300mm long)
- Fatigue Limit: 100,000 times
- IP Rating: IP55
- Connection Size: G 1/8"
- Housing Material: SUS304 stainless steel