Refrigerant gas refrigerant gas sensor DST G54B

R454Bfor leak detectionModbus

Product name
Gas sensor, DST G54B, R454B

Short description
Gas sensor for A2L refrigerants (R454B). Dual output (Modbus + relay). Electrical connection: Mini Mate-N-Lok 6-pin. Round Ø6 black enclosure with IP54 rating. Designed for HVACR leak detection and refrigerant sensing applications, with wide operating temperature range and fast response.

Documents

• DST G-series gas sensors brochure — AD495354204391en-000202 — 784 KB
• A2L Gas Sensor, Types DST G54B, DST GR32 (Data sheet) — AI467327401378en-000204 — 846 KB
• A2L Gas Sensors, Relay, MODBus and Dual Output (Installation guide) — AN461646924518en-000101 — 425 KB

Visuals

• Product photo: multiple product photos available (Gas sensor DST G54B)
• Family photo: DST G and DST GS series family photo

Weight / Identification
Gross weight: 58 Gram
Net weight: 46 Gram
International Article Number / EAN: 5715255245988
Customer part number: 8301-119

Technical specifications

• Type: DST G54B
• Product group: Sensors
• Product name description: Gas sensor
• Specification key: DST G54B-AB-12-3AAB-LC003-I
• Alarm threshold [LFL %]: 12
• Alarm reset [LFL hysteresis %]: 2.5
• Alarm reset (Modbus): 5 minutes
• Alarm reset (Relay): 5 minutes
• Output signal: Dual (Modbus + Relay)
• Supply voltage [V] AC: 24 V
• Supply voltage [V] DC: 24 V
• Supply current max. [mA]: 300 mA
• Operating temperature [°C] (min): -40 °C
• Operating temperature [°C] (max): 80 °C
• Operating temperature [°F] (min): -40 °F
• Operating temperature [°F] (max): 175 °F
• Response time [s]: <15
• Recovery time [min]: <5
• Rel. Humidity conditions: 0 - 100
• Refrigerants: R454B
• Pressure range [bar]: 0.7 - 1.2 bar
• Pressure range [psi]: 10.15 - 17.4 psi
• Electrical connection: Mini Mate-N-Lok
• Electrical connection size: 6 pin
• Electrical connection standard: EN 60529
• Pinout: Pin 1 = + supply; Pin 2 = - common; Pin 3 = Modbus A; Pin 4 = Modbus B; Pin 5 = Relay input; Pin 6 = Relay NO
• Enclosure design: Round Ø6 black
• Enclosure rating IP: IP54
• Housing material: PA66 25% Glass fiber
• Flame rating: UL 94 V-0
• Mounting interface: 2 brackets 180°
• Modbus termination: 120 Ohm
• Contains batteries: No
• Quantity per packing format: 80 pc
• Packing format: Industrial pack
• EU RoHS compliance: Yes
• China RoHS compliance: Out of scope
• REACH Candidate List substances: No
• Approvals: C UL US UL Recognized; CE mark: Yes; UL mark: Yes