ETS 400L
Official Danfoss product image; the illustration may represent the product family.
ELECTRIC EXPANSION VALVE
ETS 400L — Electric expansion valve
SKU 034G3657Danfoss ETS 400L (034G3657) — 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 1/8 inInlet size [in]
2 1/8 inOutlet size [in]
PRODUCT DATA
Technical specifications
Source: Danfoss product catalog.
Verified September 22, 2026.
| Gross weight | 2.989 Kilogram |
|---|---|
| Net weight | 2.5 Kilogram |
| Volume | 12.899 Liter |
| EAN | 5715162498248 |
| Type | ETS 400L |
| Product group | Expansion valves |
| Product Name Description | Electric 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 |
| Approval | CE CMIM CRN EAC UA UKCA UL Recognized |
| Approval file name | MH7648 |
| Balanced port [Yes/No] | Yes |
| Body material | Brass |
| CE mark | Yes |
| China RoHS compliance | Yes with exemptions |
| China RoHS exemption clause | 7.3 |
| Compatible Danfoss controllers | AK-XM 208C EKE EKF MCX |
| Connection Code | (3002:X:54) |
| Connection material | Copper |
| Contains batteries | No |
| Cv value [gal/min] | 21.4 gal/min |
| Direction | Straightway |
| Electrical conn. Male/Female | Male |
| Electrical connection | M12 |
| Electrical connection size | 4 pin |
| Enclosure rating IP | IP67 |
| EU RoHS compliance | Yes with exemptions |
| EU RoHS exemption clause | 6(c) |
| Flow characteristic | S-shape |
| Flow direction | Bi-flow |
| Flow direction indicator | Arrow embossed |
| Fluid Group | 2 |
| Full travel time CurrDrive [s] | 12.7 s |
| Full travel time VoltDrive [s] | 25.4 s |
| Inlet connection type | Solder ODF |
| Inlet size [in] | 2 1/8 in |
| Kv value [m³/h] | 18.5 m³/h |
| Lubricants compatibility | Oilfree applications AB PAG PAO POE PVE |
| Manual operation option | AST-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 [bar] | 26 bar |
| MaxOPD [psi] | 377 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 type | Bi-polar |
| MWP [bar] CRN | 32 bar |
| MWP [psig] CRN | 463 psig |
| Operating current max. [A] | 0.4 A |
| Outlet connection type | Solder ODF |
| Outlet size [in] | 2 1/8 in |
| Packing format | Single pack |
| PED category | I |
| Phase current (peak) [mA] | 283 mA |
| Phase current (RMS) [mA] | 200 mA |
| Phase inductance [µH] | 85000 μH |
| Product accessories | Stepper valve accessories |
| Quantity per packing format | 1 pc |
| Rated cap. cond. note | Full 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] | 854 kW |
| Rated capacity R1234ze [TR] | 246 TR |
| Rated capacity R134a [kW] | 1095 kW |
| Rated capacity R134a [TR] | 311 TR |
| Rated capacity R513A [kW] | 943 kW |
| Rated capacity R513A [TR] | 271 TR |
| Rated capacity R515B [kW] | 830 kW |
| Rated capacity R515B [TR] | 239 TR |
| REACH Candidate List substances | Lead (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 |
| Refrigerants | R1234ze(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 |
| Resistance [kOhm] | 0.1 kOhm |
| SCIP dossier no. | c81a3c50-9710-4373-be75-2652b16aea76 |
| SCIP dossier product name | ETS 175L-550L with sight glass |
| Serviceable | Stepper valve spare parts |
| Sightglass | Yes |
| Step mode | 2-phase full step |
| Total steps | 3810 (full steps) |
| UL approved refrigerants | R1234ze(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 mark | Yes |
| Voltage [V] DC | 12 V |
For operating conditions, refrigerant compatibility, connection requirements and installation instructions, consult the official Danfoss reference ↗.