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ETS 500LDanfoss ETS 500L — Electric expansion valve, manufacturer catalog image

Official Danfoss product image; the illustration may represent the product family.

ELECTRIC EXPANSION VALVE

ETS 500L — Electric expansion valve

SKU 034G3661

Danfoss ETS 500L (034G3661) — electric expansion valve for HVAC-R applications. Maximum working pressure: 37 bar. Compare the reference-specific connections, operating conditions and compatibility below. Send your quantity and delivery destination to AurFort for a quotation.

37 barMax. Working Pressure [bar]
2 5/8 inInlet size [in]
3 1/8 inOutlet size [in]
PRODUCT DATA

Technical specifications

Source: Danfoss product catalog.
Verified September 22, 2026.

034G3661 — selected manufacturer specifications
Gross weight4.84 Kilogram
Net weight3.88 Kilogram
Volume22.788 Liter
EAN5715162497654
TypeETS 500L
Product groupExpansion valves
Product Name DescriptionElectric expansion valve
Ambient temperature range [°C] [max]70 °C
Ambient temperature range [°C] [min]-40 °C
Ambient temperature range [°F] [max]158 °F
Ambient temperature range [°F] [min]-40 °F
ApprovalCE CMIM CRN EAC UA UKCA UL Recognized
Approval file nameMH7648
Balanced port [Yes/No]Yes
Body materialBrass
CE markYes
China RoHS complianceYes with exemptions
China RoHS exemption clause7.3
Compatible Danfoss controllersAK-XM 208C EKE EKF MXC
Connection Code(3002:X:67;3002:X:79)
Connection materialCopper
Contains batteriesNo
Cv value [gal/min]31.33 gal/min
DirectionStraightway
Electrical conn. Male/FemaleMale
Electrical connectionM12
Electrical connection size4 pin
Enclosure rating IPIP67
EU RoHS complianceYes with exemptions
EU RoHS exemption clause6(c)
Flow characteristicS-shape
Flow directionBi-flow
Fluid Group2
Full travel time CurrDrive [s]16.7 s
Full travel time VoltDrive [s]33.3 s
Inlet connection typeSolder, ODF
Inlet size [in]2 5/8 in
Kv value [m³/h]27.1 m³/h
Lubricants compatibilityPOE AB PAG PAO PVE
Manual operation optionAST-G service driver
Max allowed duty cycle [%]50 %
Max tot PowerCons CurrDrive[W]4.2 W
Max tot PowerCons VoltDrive[W]5.5 W
Max. Working Pressure [bar]37 bar
Max. Working Pressure [psig]536 psig
MaxOPD reverse [bar]10 bar
MaxOPD reverse [psi]145 psi
MaxOPD reverse CurrDrive [bar]10 bar
MaxOPD reverse CurrDrive [psi]145 psi
MaxOPD reverse VoltDrive [bar]10 bar
MaxOPD reverse VoltDrive [psi]145 psi
Motor typeBi-polar
MWP [bar] CRN32 bar
MWP [psig] CRN463 psig
Operating current max. [A]0.4 A
Outlet connection typeSolder, ODF
Outlet size [in]3 1/8 in
Packing formatSingle pack
PED categoryI
Phase current (peak) [mA]283 mA
Phase current (RMS) [mA]200 mA
Phase inductance [µH]85000 μH
Quantity per packing format1 pc
Rated cap. cond. noteFull stroke open, normal flow
Rated cap. conditions [IMP]tcond=90 °F tevap=40 °F tliq=82 °F
Rated cap. conditions [SI]tcond=32 °C tevap=5 °C tliq=28 °C
Rated capacity R1234ze [kW]1396 kW
Rated capacity R1234ze [TR]402 TR
Rated capacity R134a [kW]1786 kW
Rated capacity R134a [TR]507 TR
Rated capacity R513A [kW]1535 kW
Rated capacity R513A [TR]442 TR
Rated capacity R515B [kW]1357 kW
Rated capacity R515B [TR]390 TR
REACH Candidate List substancesLead (CAS no. 7439-92-1) Cobalt dichloride (CAS no. 7646-79-9)
Refrigerant temperature [ºC] [max]95 °C
Refrigerant temperature [ºC] [min]-40 °C
Refrigerant temperature [ºF] [max]203 °F
Refrigerant temperature [ºF] [min]-40 °F
RefrigerantsR1234ze(E) R134a R22 R404A R407A R407C R407F R407H R410A R417A R422A R422B R422D R438A R442A R448A R449A R449B R450A R452A R463A R507A R513A R513B R515A R515B
SCIP dossier no.c81a3c50-9710-4373-be75-2652b16aea76
SCIP dossier product nameETS 175L-550L with sight glass
SightglassYes
Step mode2-phase full step
UL approved refrigerantsR1234ze(E) R134a R22 R404A R407A R407C R407F R407H R410A R417A R422A R422B R422D R438A R442A R448A R449A R449B R450A R452A R463A R507A R513A R513B R515A R515B
UL markYes
Voltage [V] DC12 V

For operating conditions, refrigerant compatibility, connection requirements and installation instructions, consult the official Danfoss reference ↗.