Datasheet
www.e-t-a.de
21
Thermal-magnetic circuit breaker 3120-N...-...M1-...
1930
 1
Thermal-magnetic circuit breaker 3120-N...-...M1-...
Order numbering code
Type No.
3120   thermal-magnetic circuit breaker/switch combination with 
rocker actuation
  Mounting method
 N3  snap-in, mounting cut-out 50.5 x 21.5 mm
  N5  snap-in, mounting cut-out 44.5 x 22 mm
   Number of poles
   1 1-pole switching, 1-pole thermal-magnetically protected
   2  2-pole switching, 2-pole protected (pole one: thermal- 
magnetically protected, pole Two: thermally protected
   5  2-pole switching, 1-pole thermal-magnetically protected
   Style
   1 standard
   3 with actuator guard
   4 with water splash protection (IP65)
   6 version for appliance inlet modules  
X3120-A/-B (only for mounting method N5)
     with actuator guard and cross-hole 
    Terminal design
    P7   blade  terminals
     H7 as P7, terminals 11 and 21 with additional flat 
head screws M3.5 
    N7  as P7, with additional shunt terminals 12(i) 
and 22(i) 
    G7  as N7, terminals 11 and 21 with additional flat 
head screws M3.5
      Trip curve
      M1   medium delay, thermal- 1.01-1.4 x I
N
; 
magnetic 4-9 x I
N
 AC
        Actuator
        W rocker
         Rocker colour and illumination
         01 .  black  without illumination 
         02 .  white  without illumination 
         04 .  red  without illumination 
         12 . Y  white  with illumination
         14 . R  red  with illumination 
         15 . Y  orange  with illumination 
         16 . T  blue  with illumination 
         19 . G  green  with illumination 
         Marking of rocker actuator 
         rocker style 
          A (not for style 4)
          D   
          F 
          K 
          L 
          X 
            Illumination voltage range 
                       (= operating voltage) 
           1  DC 12 V 
           2  DC 24 V 
           3  AC 115 V 
           4  AC 230 V 
           5  DC 48 V 
           6   AC 400 V (for 2-pole versions)
           Current ratings
           0.1 ... 16 A
3120-N5  2 4 - M1-W 19 D G 4 - 16 A  ordering example 
A  D  F  K  L  X
Order numbering code
Type No.
3120   thermal-magnetic circuit breaker/switch combination with 
push button actuation
  Mounting method
 N3  snap-in, mounting cut-out 50.5 x 21.5 mm
  N5  snap-in, mounting cut-out 44.5 x 22 mm
   Number of poles
   1 1-pole switching, 1-pole thermal-magnetically protected
   2  2-pole switching, 2-pole protected (pole one: thermal- 
magnetically protected, pole two: thermally protected
   5 2-pole switching, 1-pole thermal-magnetically protected
   Style
   D  with actuator guard 
   E  with actuator guard and water splash cover 
   F  with power-on protection 
   V  with power-on protection and water splash cover 
    Terminal design
    P7   blade  terminals
     H7 as P7, terminals 11 and 21 with additional flat 
head screws M3.5 
    N7 as P7, with additional shunt terminals 12(i) 
      and 22(i) 
    G7  as N7, terminals 11 and 21 with additional flat 
head screws M3.5
      Trip curve
      M1   medium delay, thermal- 1.01-1.4 x I
N
; 
magnetic 4-9 x I
N
 AC
        Actuator
        S two push buttons
         Colour of push button/illumination 
(style D and F without water splash 
protection)
         GRD    green/red without illumination
         GRDXG green with LED illumination/red 
without illumination
         Colour of push button/illumination 
(style E and V with water splash pro-
tection)
         GRX    green/red without illumination
         GRXG   green with LED illumination/red 
without illumination
            Illumination voltage range 
                       (= operating voltage) 
           1  DC 12 V 
           2  DC 24 V 
           3  AC 115 V 
           4  AC 230 V 
           5  DC 48 V 
           6   AC 400 V (for 2-pole versions)
           Current ratings
           0.1 ... 16 A
3120-N3  5 V - P7 M1-S GRXG - 16 A  ordering example 
Please observe our minimum ordering quantities. 










