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All technical features and data are subject to changes without notice, resulting from continuous development and improvement. 

Product Leaflet 

Date of issue 

Revision / Date of revision  

MEW00133 2001-10-19 

2008-10-10 

 

Type numbers 

3309 

Enclosed analog heat detector (incl. conn. box, 3 compr. glands and gasket) 

3390 

Label holder (100 holders per packet, excl. labels) 

3391 

Labels for 3390 (10 sheets à 132 labels) 

Connection box mounting holes (2 x 5 mm) c/c = 108 mm.   
The connection box is prepared for required number of 
compression glands, two (in / out) or three (in / out / ext. 
LED).  A gland is approx. 30 mm high. 

Detector mounting holes, (2 x 4 x 7 mm) c/c = 70 mm.  

SA / SB

 (Red/White) = COM loop in 

and out respectively.  One SA and one SB connector is provided with a short "wire" to be used 
to connect the Address setting tool 3314 during mode and address setting.  The "wires" are to be 
pulled out before the COM loop wires are connected.  

E+ / E-

 = Ext. LED (cable length max. 30 

m).  Connectors for wire diameter 0.6 – 1.2 mm (0.3 – 1.13 mm

2

 approx.).   

Technical data 

Voltage (V DC) 
  rated 
  allowed 
  normal (on the COM loop) 

 
28 
12-30 
24 

Current consumption at norm. volt. 
(mA) 
  quiescent 
  active (incl. internal LED) 
  ext. LED 

 
 
0.185 
1.650 
< 2 

Internal capacitance (nF)   
Internal inductance 


Ambient temperature (

°

C) 

  operating 

 

    (Min. / Typical / Max.) 
    (Min. / Typical / Max.) 

 

  storage 

Depending on the mode. 
NORMAL mode  (Class is depending on the algorithm) 

 

Class 

A1

: -20 /+25 /+50, 

A2 S

: -20 /+25 /+50 or 

B S

: -20 /+40 /+65 

2330 mode:  -20 /+25 /+50 

 

-45 to +70 

Ingress Protection rating 

IP67  (attached connection box, silicon gasket and compression glands 
are required) 

Sensitivity  (

°

C)  

Static response temperature (range) 

NORMAL mode:  Depending on the algorithm.     
Class 

A1

:  54-65, 

A2 S

:  54-70 & 

B S

:  69-85 

2330 mode:  Class 

A2 S

:  57 

Size 

 x H (mm) 

100 x 78 

Weight (g)  

Detector:  112         Connection box (incl. 3 glands):  134 

Construction / Colour 

Modified Polycarbonate / Grey (N8, Munsell colour code) 

Approvals 

 05  EC Certificate no. 0845-CPD-232.1190 

NORMAL mode:  EN54-5:2000: Class P (depending on algorithm). 
2330 mode:  EN54-5:2000: Class A2 S. 

ATEX classification 

 

II 3GD EEx nA II T5 (T70

°

C

), 

 -20

°

 T

a

 

 65

°

 

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