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Receiver type

Superheterodyne

Carrier frequency

433,92 MHz

Demodulation

GFSK

Local Oscillator

VCO / PLL

Input sensitivity

-115 dBm

Local oscillator spurious emissions

< -57 dBm

Input load:

50 Ohm

Power supply:

12 / 24 Vac/dc

Max applicable power

24VA

Current consumption : at rest

9 mA ( @12V or 24V)

with relay excited

26 mA @ 12V 
31 mA @ 24V 

Relay number

1

Operating modes

Pulse / Delayed

Release delay

1 - 30 Sec.  

Contacts

C-NO

Memory capacity

248 user codes

TX security code

Rolling code

128

Max code combination number

2

Operating temperature

-20°/+70°C

Housing protection

IP2X

Overall dimensions (mm)

50 x 32 x 20

2 - TECHNICAL SPECIFICATIONS

 ERONE 1 RELAY NANO RECEIVER 128 BIT

1 - DESCRIPTION

Thank you for choosing this product. 

You are recommended to read carefully this manual before 

installing the product.

1A - Introduction

The  receiver    type    SEL128R433-NN  is  ,  designed  to  control 
automatic closing systems and anti-burglar systems, thanks to its 
very high security coding system.
The  operating  frequency  is  among  the  European  harmonised 
frequencies;  the  product  fully  complies  with  the  EMC  European 
Regulations (CE).
The  code  sent  by  the  transmitter  changes  at  every  activation, 
avoiding any scanning and copying risk.
A special algorithm allows to keep synchronized transmitter and 
receiver. 
The receiver has 1 output relay ( with NO contacts, and can be 
connected to many types of mechanics  ( gate, garage door, rolling 
shutters, awnings, anti-burglar appliances, lighting, etc.). 
All the receivers of the range can store into the EEPROM a serial 
number, a manufacturer key and a synchronism algorithm of more 
transmitters.
The programming can be done in self-learning mode by means of 
one button. 
The housing protection allows indoor installations. 
The  appliance  full  complies  with  the  European  Directive 
2014/53/UE «Red» and the Standard  and FCC Part 15.

38,7 

50

32

Dimensions

3

3 - LAYOUT AND CONNECTIONS

J1 = CLOSED 

MEMO without P1 
ENABLED ( 5.2)

MEMO SELECTION

INSTALLATION MANUAL

SEL128R433-NN

Fig. 1

P1

J1

RELAY
K1

BUZZER

+

-

C

NO

ANTENNA

see 

Memo selection 

4 - OPERATING MODES & DELAY

The relay can operate in PULSE or DELAYED mode. The default 
pulse is 1 sec. In delayed mode the release of the relay occurs after 
a programmable delay ( 1 - 30 Sec. ) see next paragraph. 
During the delay time the reception of a further signal from the 
transmitter releases the relay.

J1 = OPEN

MEMO without P1 
DISABLED (5.2)

- The equipment must be powered from a device that 
provides a safety extra low voltage (SELV) type LPS 
( Low Power Source);
- There must be a suitable disconnecting device to the 
current drawn by the receiver (90 mA max @ 12Vdc).

!

Power Input 
12 - 24 Vac/dc
self-adjusting

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