Datasheet

ManualsBrandsETA ManualsAppliance Circuit BreakerThermal Circuit Breaker, 2-Pole, Panel Mount, 5A, IP00/IP40

www.e-t-a.de

3120-N...-...T1-... Thermal Circuit Breaker

1930

Description

The 3120-N...-...T1-... thermal circuit breaker/switch combination

unites overcurrent protection and the function of an ON/OFF switch

within a single component. The trip element is a thermal bimetal. Type

3120-N...-...T1-... is ideally suited for overload protection of motors,

pumps, transformers and cables. After tripping, it can reliably, easily

and quickly be reset. The positively trip-free mechanism ensures

reliable disconnection of the circuit even with the actuator blocked.

Type 3120-N is also available with thermal-magnetic trip. (technical

data p. 19 ff).

Type 3120-N is also available as a switch in accordance IEC/EN

61058 (see data sheet switch 3120-N...Q1).

3120-N...-...T1-...

Features

l Single or double pole thermal circuit breaker/switch combination

l Voltage ratings: AC 240 V, DC 50 V (AC 415 V upon request)

l Current rating range: 0.1 … 20 A (up to 30 A upon request)

l Optional: push-in terminals for easy and quick wiring with a

long-term stability

l Extendable functionality through appliance inlet module

l Functional extension options with add-on modules for low voltage

release, auxiliary contact function, remote trip or fast magnetic trip

l Maximum equipment availability is ensured by overload protection

perfectly matched with the loads (prevention of nuisance tripping)

and quick resettability

l Reduced mounting and wiring time

l Space-saving design

l Reduced disposition and storage costs

l Increased overall reliability

Further information

Approvals

Compliances

The current data sheet as well as other relevant documents are

available on our website: www.e-t-a.de/e016

Typical applications Your benefits

Medical and laboratory equipment, apparatus and machine

construction, professional tools, household and garden appliances,

offices machines, audio equipment, machine tools

Summary of content (22 pages)

PAGE 1
3120-N...-...T1-... Thermal Circuit Breaker Description The 3120-N...-...T1-... thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N...-...T1-... is ideally suited for overload protection of motors, pumps, transformers and cables. After tripping, it can reliably, easily and quickly be reset.
PAGE 2
3120-N...-...T1-... Thermal Circuit Breaker Technical data Current ratings and internal resistance values For detailed technical information please see www.e-t-a.de/ti_d Voltage ratings AC 240 V, DC 50 V (AC 415 V upon request) Current rating range 0.1 ... 20 A (up to 30A upon request for single pole units) Typical life 1-pole 1 operations operations operations operations at at at at 1 1 1 1 x x x x IN, IN, IN, IN, inductive inductive resistive inductive AC 240 V: 0.1...
PAGE 3
120-N...-...T1-... Thermal Circuit Breaker Order numbering code Order numbering code Type No. 3120 thermal rocker-actuated circuit breaker/switch combination Mounting method N3 snap-in, mounting cut-out 50.5 x 21.5 mm N5 snap-in, mounting cut-out 44.
PAGE 4
3120-N...-...T1-... Thermal Circuit Breaker 1 Order numbering code Type No. 3120 thermal resettable circuit breaker with push button Mounting method N3 snap-in, mounting cut-out 50.5 x 21.5 mm N5 snap-in, mounting cut-out 44.
PAGE 5
3120-N...-...T1-... Thermal Circuit Breaker Approvals Time/current characteristics Voltage ratings VDE AC 240 V DC 50 V DC 50 V DC 28 V AC 250 V AC 250 V DC 50 V AC 250 V AC 250 V AC 250 V DC 50 V AC 250 V Current rating range Appr. logos CQC GB 17701 0.1 A ... 20 A 0.1 ... 20A (2-pole) 0.1 ... 16 A (1-pole) 0.1 A ... 20 A 0.1 A ... 16 A (TC1, OL1) 17 A … 20 A (TC1, OL0) 0.1 A … 20 A (TC1, OL0) 30 A* (TC1, OL0) 0.1 A ... 16 A (TC1, OL1) 17 A … 20 A (TC1, OL0) 0.
PAGE 6
3120-N...-...T1-... Thermal Circuit Breaker Dimensions 9.6 0.377 56.4 2,220 15.5 0.610 52.4 2.063 10.7 0.421 21 0.827 tightening torque blade terminal 6.3 x 0.8 flat head screw M3.5x6 tightening torque max. 0.8 Nm 15.5 0.610 10 0.394 10 0.394 33 1.30 1 25 0.984 33 1.30 15.5 0.610 3120-N5.1-P7... OFF-position 25 0.984 9.6 0.377 3120-N3.1-H7... 3 0.118 41 1.61 blade terminal 6.3 x 0.8 3120-N5.3-P7... 10.7 0.421 9.6 0.377 25 0.984 12.65 0.498 15.5 0.610 5.5 0.216 52.4 2.063 10 0.
PAGE 7
3120-N...-...T1-... Thermal Circuit Breaker Dimensions 3120-N5.D-P7... 21.7 0.854 26.4 1.039 3120-N3.D-P7... 56.4 2.22 9.1 0.358 26.4 1.039 52.4 2.063 blade terminal 6.3 x 0.8 41 1.61 10.7 0.421 21 0.827 3 0.118 blade terminal 6.3 x 0.8 29.2 1.149 26.4 1.039 41 1.61 ON-position 52.4 2.063 3 0.118 10.7 0.421 21 0.827 10 0.394 15.5 0.610 10.7 0.421 21 0.827 3 0.118 41 1.61 blade terminal 6.3 x 0.8 10 0.394 32,3 1.271 33 1.30 17 0.669 55 2.165 5 0.196 3120-N5.F-P7... 9.1 0.
PAGE 8
3120-N...-...T1-... Thermal Circuit Breaker Dimensions 3120-N3.G-P7... OFF-position 9.1 0.358 26.4 1.039 21.7 0.854 10 0.394 33 1.299 1 21.9 0.862 56.4 2.220 10.7 0.421 21 0.827 blade terminal 6.3 x 0.8 15.5 0.610 3 0.118 41 1.61 21.9 0.862 52.4 2.062 10 0.394 33 1.299 14.1 0.555 26.4 1.039 21.7 0.854 9.1 0.358 3120-N5.G-P7... 10.7 0.421 21 0.827 8 blade terminal 6.3 x 0.8 15.5 0.610 3 0.118 41 1.61 www.e-t-a.
PAGE 9
3120-N...-...T1-... Thermal Circuit Breaker Cable cross sections PT terminals Terminal types cable cross section with direct push-in wiring rigid 1…4 mm2 (stripping length: 10 mm) 2-pole switching and 2-pole thermally protected 3120-N524-PT 0.5…2.5 cable cross section when opening the push-in terminals rigid 0.5…4 mm2 (stripping length: 10 mm) 0.5…2.
PAGE 10
3120-N...-...T1-... Thermal Circuit Breaker Accessories Rear terminal shroud, black (IP64) Y 304 275 01 70+5 50 1.968 20.5 0.807 2.755+0.196 +0.5 1.75 -0.25 0.068 +0.019 -0.009 ø8 ø0.314 13.5 0.531 4 0.157 R3 4 R .5 0.157 0.13 7 3.7 0.145 Terminal adapter Y 303 862 01 blade terminals 6.3 x 0.8 Blanking piece in -N3 frame Y 303 885 31 54 2.125 31 1.220 25 0.984 16.5 0.649 41 1.614 21 0.826 33 1.299 36 1.417 1 0.039 Spacer for 3120-N3... Y 303 675 01/02 Spacer for 3120-N5...
PAGE 11
3120-N...-...T1-... Thermal Circuit Breaker Accessories Plug-in connector Y 31214001 Connecting cables can be pre-wired. Two retaining clips ensure a tight fit. 1 4.5 0.177 12 0.472 24 0.944 5.5 0.216 42 1.653 21.2 0.834 Benefits: • Reduced installation time and costs for final assembly • Quick replacement of devices Note: Delivery without receptacles. Dimensions of receptacles (width 6.3 mm) are in accordance with DIN 46340 part 3, shape A.
PAGE 12
3120-N...-...T1-... Thermal Circuit Breaker Description – X3120-A/-B appliance inlet module The X3120 appliance inlet module with 3120-N5.6 circuit breaker type combines up to four functions within a single component: C14/ C20 inlet plug, an ON/ OFF switch, resettable overcurrent protection and a line filter. Screw-type mounting from the front or from the rear. Typical applications 1 X3120-B Electrical medical apparatus, laboratory equipment, professional audio equipment and office machines.
PAGE 13
3120-N...-...T1-...
PAGE 14
3120-N...-...T1-... Thermal Circuit Breaker Schematic diagram X3120-A X3120-A0401 General performance filter Cx 2xL 2xCy N' 11 N 12 (K) PE PE P 1 3120 22 (K) Line P' 21 Load X3120-A0403 und X3120-A0406 High-performance filters for medical version Cx R N 2xL 11 PE PE P N' Line 12 (K) 3120 P' 21 Load 22 (K) X3120-A0401 and X3120-A0403 – standard filters Typical filter attenuation: to CISPR 17 A = 50 Ω / 50 Ω sym; B = 50 Ω / 50 Ω asym; C = 0.1 Ω / 100 Ω sym; D = 100 Ω / 0.
PAGE 15
3120-N...-...T1-... Thermal Circuit Breaker Filter selection table Filter Capacity Cx Capacity Cy Resistance R µF nF kΩ A Leakage current Inductance L 250VAC/50Hz mH µA X3120-A040101..M 1 (1.2) 373 12 0.1 2.2 X3120-A040103..M 3 (3.5) 373 2.5 0.1 2.2 X3120-A040106..M 6 (7.2) 373 0.78 0.1 2.2 X3120-A040108..M 8 (10.6) 373 0.5 0.1 2.2 X3120-A040110..M 10 (11.6) 373 0.225 0.1 2.2 X3120-A040112..M 12 (12) 373 0.11 0.1 2.2 X3120-A040115..M 15 (15) 373 0.075 0.1 2.
PAGE 16
3120-N...-...T1-... Thermal Circuit Breaker Description X3120-U undervoltage release module Dimensions – undervoltage release module The undervoltage release module reliably excludes personal injury through automatic re-start after voltage dip or power failure. flat head screw M3.5x6 for mains connection tightening torque max. 0.8 Nm 41 +0,1 - 0,2 1.61 +.004 - .008 The rocker actuator will go into centre position. Reset is effected in two steps: Step 1: Switch rocker into OFF position.
PAGE 17
3120-N...-...T1-... Thermal Circuit Breaker Description X3120-S auxiliary contact module Dimensions – auxiliary contact module Add-on module for circuit breaker type 3120-N. The auxiliary contact module has a change-over contact as signal contact and is operated with actuation of the CBE. 25.5 1.00 Note: Not possible in combination with PT terminals. Typical applications Status monitoring of CBE and/or the connected loads. 10 .394 21 .827 1 blade terminals 2.8x0.5 plated 8.5 .
PAGE 18
3120-N...-...T1-... Thermal Circuit Breaker Description X3120-M remote trip module Dimensions – remote trip module A module which adds remote trip capability to all versions of type 3120-N. A voltage applied across the coil will cause trip of the main switch/circuit breaker mechanism. Note: Not possible in combination with PT terminals. 30 1.18 Typical applications 1 9 .354 Electrical remote trip of safety systems. Order numbering code Type No.
PAGE 19
Thermal-magnetic circuit breaker 3120-N...-...M1-... Description The 3120-N...-...M1-... thermal-magnetic circuit breaker/switch combination unites overcurrent protection and the function of an ON/ OFF switch within a single component. The integral thermobimetal ensures ideally matched overload protection. The magnetic trip module trips the circuit breaker/switch combination at overload currents from four times rated current within milliseconds. The 3120-N...-...M1-...
PAGE 20
Thermal-magnetic circuit breaker 3120-N...-...M1-... Approvals Technical data For further details please see: www.e-t-a.de/ti_e Rated voltage AC 240 V, DC 50 V (AC 415 V upon request) Current rating range 0.1…16 A Typical life 1-pole AC 240 V: 0.1...16 A DC 50 V: 0.1...
PAGE 21
Thermal-magnetic circuit breaker 3120-N...-...M1-... Order numbering code 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.
PAGE 22
Thermal-magnetic circuit breaker 3120-N...-...M1-... 1 Order numbering code Type No. 3120 thermal magnetic resettable circuit breaker with push button Mounting method N3 snap-in, mounting cut-out 50.5 x 21.5 mm N5 snap-in, mounting cut-out 44.