Power supply (RDF400MB)

Operating voltage

AC 100...230 V

Frequency

50/60 Hz

Power consumption

Max. 5 VA / 3 W

Standby power consumption

1 VA / 0.5 W

  • No internal fuse!

External preliminary protection with max. C 10 A circuit breaker in the supply line required under all circumstances.

Power supply (RDF440MB)

Operating voltage

AC/DC 24 V

Power consumption

Max. 5 VA / 3 W

Standby power consumption

1.2 VA / 0.5 W

External supply line protection (EU)

Circuit breaker max. 10 A

Characteristic B, C, D according to EN 60898

or

Power source with current limitation of max. 10 A

Power supply (RDF460MB)

Operating voltage

AC 100...230 V

Frequency

50/60 Hz

Power consumption

Max. 5 VA / 3 W

Standby power consumption

1 VA / 0.5 W

  • No internal fuse!

External preliminary protection with max. C 10 A circuit breaker in the supply line required under all circumstances.

Modbus interface

Type
Transmit mode
Connection
Baud rate
Device address
Cable length
Identity
Transmission format (start bit – data – parity – stop)

RS485
RTU
Up to 32
Auto, 9600, 19200 (default), 38400
1...127, 1 (default)
Max.1200 meters
Server
1 = 1-8-E-1 (default) / 2 = 1-8-O-1 / 3 = 1-8-N-1 / 4 = 1-8-N-2

Wiring connections (RDF400MB)

Diameter
Power, input, and output (L, N, Q1, Q2, Q3, Y1, Y2)
SELV signal (MB+, MB-, Ref, M, D1)
Wire


1.0…1.5 mm2
0.5…1.5 mm2
Solid or prepared stranded

Wiring connections (RDF440MB)

Diameter
Power, input, and output (L1, Q1, Q2, Q3)
SELV signal (G, G0, M, Y10, Y20, MB+, MB-, Ref, M, D1)
Wire


1.0…1.5 mm2
0.5…1.5 mm2
Solid or prepared stranded

Wiring connections (RDF460MB)

Diameter
Power, input, and output (L, N, Y1, Y2)
SELV signal (MB+, MB-, Ref, M, D1, M, Y50)
Wire


1.0…1.5 mm2
0.5…1.5 mm2
Solid or prepared stranded

Output

1-/3-speed fan (RDF400MB)
Type
Voltage
Maximum current

Q1…Q3
On/Off
AC 100...230 V
Min. 5(2) A

1-/3-speed fan (RDF440MB)
Type
Voltage
Maximum current

Q1…Q3
On/Off
AC 24...230 V
Min. 5(2) A

ECM fan (RDF440MB, RDF460MB)
Type
Voltage
Maximum current

RDF440MB: Y20, RDF460MB: Y50
DC
DC 0...10 V
Min. ±5 mA

Valve output (RDF400MB, RDF460MB)
Voltage
Maximum current

Y1 (N.O.), Y2 (N.O.)
AC 100...230 V
Min. 5(2) A

Valve output (RDF440MB)
Voltage
Maximum current

Y10, Y20
DC 0...10 V
Min. ±1 mA

CAUTION

If fans must be connected in parallel, connect one fan directly,
for additional fans, one relay for each speed.

Digital input

D1-M

     Operating action

Selectable (NO/NC)

     Contact sensing

DC 0…5 V, max. 5 mA

     Insulation against mains

SELV

Operational data

Hysteresis

- Heating mode (P43)

- Cooling mode (P44)

 

0.5...6 K (factory setting: 2 K)

0.5...6 K (factory setting: 1 K)

P-band Xp

- Heating mode (P43)

- Cooling mode (P44)

 

0.5...6 K (factory setting: 2 K)

0.5...6 K (factory setting: 1 K)

Setpoint setting range

- Comfort mode (P20, P21)

- Economy mode (P22, P23)

- Protection mode (P50, P51)

 

5...40 °C

Off, 5...40 °C

Off, 5...40 °C

Built-in room temperature sensor

- Measuring range

- Accuracy at 25 °C

- Temperature calibration range

 

0…50 °C

< ±0.5 K

- 5.0...+5.0 K

Resolution of settings and display

- Temperature setpoints

- Current temperature value displayed

 

0.5 °C

0.5 °C

Ambient conditions and protection classification

Classification as per EN 60730

Function of automatic control devices
Degree of pollution
Overvoltage category
Action type
Rated impulse voltage
Maximum altitude
Software class

 

Type 1
2
III
1 as per EN 60730-1
4 kV as per EN 60730-1
3000 m as per EN 60730-1
A as per EN 60730-1

Classification of protection against electric shock

Device suited for use with equipment of protection class II.

Degree of protection of housing to EN 60529 (after mounting in position)

Room automation station
With terminal cover

 

IP30
IP30

Climatic ambient conditions

- Storage as per EN 60721-3-1
Temperature range
Humidity range

- Transport (packaged for transport) as per EN 60721‑3‑2
Temperature range
Humidity range

- Operation as per EN 60721-3-3 1)
Temperature range
Humidity range

 


-5...+50 °C
5...95 % r.h.


-25...+70 °C
5...95 % r.h.


0...50 °C
5...95 % r.h.

Mechanical ambient conditions

Storage as per EN 60721-3-1
Transport as per EN 60721-3-2
Operation as per EN 60721-3-3

 

Class 1M2
Class 2M2
Class 3M2

1) No condensation permitted.

Standards, directives and approvals

Electromagnetic compatibility

For residential, commercial environments

EU conformity (CE)

A5W00725830A *)

RCM

A5W00727516A *)

UKCA

A5W00725827A *)

REACH

Regulation (EC) No 1907/2006 Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)

RoHS

Directive 2011/65/EU restriction of the use of certain hazardous substances in electronic equipment

Environmental compatibility

The product environmental declaration (A5W00718440A *) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal).

General

Weight without/with package

  • RDF400MB
  • RDF440MB
  • RDF460MB

 

  • 163.3 g / 259.2 g
  • 155.2 g / 249.9 g
  • 152.6 g / 250.9 g

Materials

  • Control unit
  • Mounting plate

 

  • PC
  • PC + 10% GF

Colors

  • Frame
  • Screen

 

  • White RAL 9016
  • Black RAL 9005

Housing flammability class according to UL94

V-0

*) The documents can be downloaded from http://siemens.com/bt/download.