General specifications
Product name
Eaton Moeller® series ETR4 Timing relay
Part no.
ETR4-51-A
EAN
4015080318842
Product Length/Depth
103 millimetre
Product height
83 millimetre
Product width
23 millimetre
Product weight
0.115 kilogram
Certifications
UL Category Control No.: NKCR
CSA Class No.: 3211-03
IEC/EN 61812-1
UL
UL 508
CSA
IEC/EN 61000-4-2
Standard IEC/EN 61812
CE
IEC/EN 61000-4-3
CSA-22.2 No. 14
IEC/EN 60947-5-1
VDE 0435
CSA File No.: 012528
UL File No.: E29184
Product Tradename
ETR4
Product Type
Timing relay
Product Sub Type
None
Catalog Notes
Changeover contact with a changeover time of 50 ms
Making and breaking conditions to DC13, time constant as stated
When supplied directly from mains or transformer > 1000 VA
Features & Functions
Electric connection type
Screw connection
Functions
Fixed timing function
Star-delta
Star-delta switching
General information
Degree of protection
IP20
Terminals: IP20
Lifespan, mechanical
30,000,000 Operations (AC operated)
30,000,000 Operations (DC operated)
Mounting position
As required
Number of contacts (change-over contacts)
1
Overvoltage category
III
Pollution degree
2
Product category
ETR4 timing relays
Rated impulse withstand voltage (Uimp)
6000 V AC
4000 V AC
Shock resistance
4 g, Make contact, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 20 ms
Suitable for
DIN rail (top hat rail) mounting
Terminal capacity
1 x (20 - 14) AWG, solid or stranded
2 x (0.5 - 1.5) mm², flexible with ferrule
2 x (0.5 - 1.5) mm², solid
1 x (0.5 - 2.5) mm², solid
1 x (0.5 - 2.5) mm², flexible with ferrule
Time range - min
3 s
Time range - max
60 s
Type
Timer relay
Voltage type
AC/DC
Climatic environmental conditions
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
60 °C
Ambient operating temperature (enclosed) - min
25 °C
Ambient operating temperature (enclosed) - max
45 °C
Ambient storage temperature - min
45 °C
Ambient storage temperature - max
85 °C
Climatic proofing
Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Electro magnetic compatibility
Air discharge
8 kV
Burst impulse
2 kV, Supply cable
1 kV, Signal cable
According to IEC/EN 61000-4-4
Contact discharge
6 kV
Electromagnetic fields
3 V/m at 1.4 - 2 GHz (according to IEC EN 61000-4-3)
10 V/m at 80 - 1000 MHz (according to IEC EN 61000-4-3)
1 V/m at 2.0 - 2.7 GHz (according to IEC EN 61000-4-3)
Immunity to line-conducted interference
10 V (according to IEC/EN 61000-4-6)
Radio interference class
Class B (EN 55011, conducted)
Class B (EN 55011, radiated)
Surge rating
2 kV, symmetrical, power pulses (Surge), EMC
4 kV, asymmetrical, power pulses (Surge), EMC
According to IEC/EN 61000-4-5, power pulses (Surge), EMC
Electrical rating
Conventional thermal current ith of auxiliary contacts (1-pole, open)
6 A
Mains voltage tolerance
24 - 240 V AC (at 50/60 Hz)
24 – 240 V DC
Nominal current
3 A
Rated breaking capacity
3 A at AC-15 (cos ϕ = 0.3 220 V)
3 A at AC-14 (cos ϕ = 0.3 440 V)
1.1 x Iₑ (DC-11 L/R - 40 ms)
Rated making capacity
50 A (AC-15 cos ϕ = 0.3 220 V)
48 A (AC-14 cos ϕ = 0.3 400 V)
1.1 x Iₑ (DC-11 L/R - 40 ms)
Rated operational current (Ie)
3 A at AC-15, 300 V
3 A at AC-14, 380 V 400 V 415 V
1.5 A at DC-11, 24 V
3 A at AC-15, 380 V 400 V 415 V
3 A at AC-14, 440 V
1.2 A at DC-11, L/R max. 50 ms
3 A at AC-15, 220 V 230 V 240 V
3 A at AC-14, 300 V (NC)
Rated operational voltage (Ue) at AC - max
440 V
Safe isolation
250 V AC, Between coil and auxiliary contacts, According to EN 61140
250 V AC, Between auxiliary contacts, According to EN 61140
Short-circuit protection rating
Max. 6 A gG/gL, fuse, Without welding, Contacts
Max. 6 A gG/gL, Fuse, Short-circuit rating without welding, Contacts
Magnet system
Command time
30 ms, DC
50 ms, AC
Contact changeover time
50 ms
Duty factor
100 %
Operating frequency
4000 Operations/h
Pick-up voltage
0.7 - 1.1 V DC x Uc
0.85 - 1.1 V AC x Uc
Power consumption
1.8 W at DC (Pick-up power)
2 VA at AC (Sealing power)
2 VA at AC (Pick-up power)
1.8 W at DC (Sealing power)
Rated control supply voltage (Us) at AC, 50 Hz - min
24 V
Rated control supply voltage (Us) at AC, 50 Hz - max
240 V
Rated control supply voltage (Us) at AC, 60 Hz - min
24 V
Rated control supply voltage (Us) at AC, 60 Hz - max
240 V
Rated control supply voltage (Us) at DC - min
24 V
Rated control supply voltage (Us) at DC - max
240 V
Recovery time
70 ms (after 100 % time delay)
Repetition accuracy
≤ 0.5 % (deviation)
Design verification
Equipment heat dissipation, current-dependent Pvid
0 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
1.4 W
Rated operational current for specified heat dissipation (In)
6 A
Static heat dissipation, non-current-dependent Pvs
1.8 W
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects
Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2.7 Inscriptions
Meets the product standard's requirements.
10.3 Degree of protection of assemblies
Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances
Meets the product standard's requirements.
10.5 Protection against electric shock
Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components
Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections
Is the panel builder's responsibility.
10.8 Connections for external conductors
Is the panel builder's responsibility.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material
Is the panel builder's responsibility.
10.10 Temperature rise
The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.

Technical data ETIM 9.0

Relays (EG000019) / Timer relay (EC001439)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Relay and socket / Timer relay (ecl@ss13-27-37-16-05 [AKF092018])
Type of electric connection
Screw connection
Complete with socket
No
Suitable for DIN rail (top hat rail) mounting
Yes
Suitable for front mounting
No
Pluggable on auxiliary contact block
No
Function delay-on energization
No
Function delay on de-energization
No
Function floating contact on energization
No
Function floating contact on de-energization
No
Function star-delta
Yes
Function pulse shaping
No
Function flashing, starting with pause, fixed time
No
Function flashing, starting with pulse, fixed time
No
Clock function, starting with pause, variable
No
Clock function, starting with pulse, variable
No
Time range
3 - 60 s
Remote operation possible
No
Suitable as remote control
No
Rated control supply voltage AC 50 Hz
24 - 240 V
Rated control supply voltage AC 60 Hz
24 - 240 V
Rated control supply voltage DC
24 - 240 V
Voltage type for actuating
AC/DC
Number of outputs, undelayed, normally closed contact
0
Number of outputs, undelayed, normally open contact
1
Number of outputs, undelayed, change-over contact
0
Number of outputs, delayed, normally closed contact
0
Number of outputs, delayed, normally open contact
1
Number of outputs, delayed, change-over contact
0
Outputs, reversible delayed/undelayed
No
With semiconductor output
No
Material of contact insert
Material contact
Material of contact surface
Operating voltage AC 50 Hz
24 - 240 V
Operating voltage AC 60 Hz
24 - 240 V
Operating voltage DC
24 - 240 V
Voltage type (operating voltage)
AC/DC
Nominal current
3 A
Max. starting current
A
Degree of protection (IP)
IP20
Relay technology category according to IEC 61810-7
Width
23 mm
Height
83 mm
Depth
103 mm