Delivery program

Product range
Accessories
Accessories
Standard auxiliary contact
Can be retrofitted on the right side of motor-protective circuit-breakers
Contacts
N/O = Normally open
1 N/O
N/C = Normally closed
1 NC
Contact diagram
121U001
Contact sequence
121S009
Connection technique
Screw terminals
For use with
PKZ0(4) standard auxiliary contacts
For use with
PKZM01
PKZM0
PKZM4
PKZM0-T
PKM0
PKE
Notes
Can be fitted to the right of:
Motor protective circuit-breaker
Transformer-protective circuit-breaker
Motor protective circuit breaker for starter combinations
Cannot be used for motor starter combinations type MSC-R...
can be combined with AGM, NHI-E ...

Technical data

Auxiliary contacts
Rated impulse withstand voltage [Uimp]
6000 V AC
Overvoltage category/pollution degree
III/3
Rated operational voltage [Ue] [Ue]
500 V AC
Rated operational voltage [Ue] [Ue ]
250 V DC
Safe isolation to EN 61140Between auxiliary contacts and main contacts
690 V AC
Rated operational current [Ie ]AC-15220 - 240 V [Ie]
3.5 A
Rated operational current [Ie ]AC-15380 - 415 V [Ie]
2 A
Rated operational current [Ie ]AC-15440 V 500 V [Ie]
1 A
Rated operational current [Ie ]DC-13 L/R - 100 ms24 V [Ie ]
2 A
Rated operational current [Ie ]DC-13 L/R - 100 ms60 V [Ie ]
1 A
Rated operational current [Ie ]DC-13 L/R - 100 ms110 V [Ie ]
0.5 A
Rated operational current [Ie ]DC-13 L/R - 100 ms220 V [Ie ]
0.25 A
LifespanLifespan, mechanical [Operations]
> 0.1 x 106
LifespanLifespan, electrical [Operations]
0.05 x 106
Control circuit reliability [Failure rate]
<10-8, < one failure at 100 million operations
(at Ue = 24 V DC, Umin = 17 V, Imin = 5.4 mA) λ
interlocked opposing contacts
yes
Short-circuit rating without weldingFuseless
FAZ-B4/1-HI Type
Short-circuit rating without weldingFuse
10 A gG/gL
Terminal capacities
Solid or flexible conductor, with ferrule
0,75 - 2,5 mm2
Solid or stranded
18 - 14 AWG
Rating data for approved types
Pilot DutyAC operated
A600
Pilot DutyDC operated
Q300
General UseAC
600 V
General UseAC
5 A
General UseDC
250 V
General UseDC
1 A

Design verification as per IEC/EN 61439

Technical data for design verification
Rated operational current for specified heat dissipation [In]
3.5 A
Heat dissipation per pole, current-dependent [Pvid]
0.04 W
Equipment heat dissipation, current-dependent [Pvid]
0 W
Static heat dissipation, non-current-dependent [Pvs]
0 W
Heat dissipation capacity [Pdiss]
0 W
Operating ambient temperature min.
-25 °C
Operating ambient temperature max.
+55 °C
IEC/EN 61439 design verification
10.2 Strength of materials and parts10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2 Strength of materials and parts10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts10.2.7 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 Insulation properties10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9 Insulation properties10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9 Insulation properties10.9.4 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 7.0

Low-voltage industrial components (EG000017) / Auxiliary contact block (EC000041)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Component for low-voltage switching technology / Auxiliary switch block (ecl@ss10.0.1-27-37-13-02 [AKN342013])
Number of contacts as change-over contact
0
Number of contacts as normally open contact
1
Number of contacts as normally closed contact
1
Number of fault-signal switches
0
Rated operation current Ie at AC-15, 230 V
3.5 A
Type of electric connection
Screw connection
Model
Top mounting
Mounting method
Side mounting
Lamp holder
None

Approvals

Product Standards
UL 508; CSA-C22.2 No. 14; IEC60947-4-1; CE marking
UL File No.
E36332
UL Category Control No.
NLRV
CSA File No.
165628
CSA Class No.
3211-05
North America Certification
UL listed, CSA certified
Specially designed for North America
No

Characteristics

121O003
Accessories
1: Motor-protective circuit-breakers
2: Trip-indicating auxiliary contact

Dimensions

121X006