Danfoss TWA-A electrothermal actuator, RA connection, 24 V AC, normally closed, 1.15 m cable

Danfoss TWA-A electrothermal (thermal-wax) valve actuator, OEM order code 088H3249. The TWA-A converts a switching signal from a room thermostat or controller into valve movement on hydronic floor-heating manifolds and radiator/zone valves — no auxiliary air or hydraulics. Normally closed (NC) — the valve is closed when de-energised and opens when the actuator is powered. Supply voltage 24 V AC (50/60 Hz), power consumption 2 W. RA connection. 1.15 m connecting cable. Enclosure rating IP41. Net weight 0.13 Kilogram. Genuine Danfoss part; technical data quoted verbatim from store.danfoss.com (code 088H3249). OEM P/N 088H3249.

Brand

Danfoss

Part number

088H3249

Type

TWA-A

Product group

Thermal actuators

Description

TWA-A NC 24V, 1.15 m cable

Actuator principle

Electrothermal (thermal wax element)

Valve function

NC

End-switch

No

Supply voltage

24 V AC

Frequency range

50 Hz – 60 Hz

Power consumption

2 W

Connection size

RA

Cable length

1.15 m

IP protection class

IP41

REACH candidate-list substances

Lead (CAS no. 7439-92-1)

Net weight

0.13 Kilogram

Gross weight

0.132 Kilogram

HS code

8481.90 (parts of taps, cocks, valves and similar appliances)

Cable length [m]

1.15 m

China RoHS compliance

Out of scope

Connection type

RA

EU RoHS compliance

Yes with exemptions

EU RoHS exemption clause

6(c)

Frequency range [Hz] [Max]

60 Hz

Frequency range [Hz] [Min]

50 Hz

Power consumption [W]

2 W

Supply voltage [V] AC

24 V

UNSPSC CODE

40101801

Material

Polyamide housing

IP Rating

IP41

HS Code

8481.90