SKU: Eaton-88917
Transformer-protective circuit-breaker, 3p, Ir=10-16A, screw connection
Transformer circuit-breaker according to IEC/EN60947, 3 pole size PKZM0, with adjustable overload and non-delayed short-circuit release, phase failure sensitive, screw and snap fitting, with screw terminal, cap installation dimension 45mm, rated operating voltage Ue 690V, degree of protection IP20, finger proof according to VDE 0106 T. 100, accessories: auxiliary contact, voltage release
| Product range | PKZM0...T transformer-protective circuit-breakers up to 25 A |
| Basic function | Transformer protection |
| Notes | |
| Connection technique | Also suitable for motors with efficiency class IE3. IE3-ready devices are identified by the logo on their packaging. |
| Contact sequence | Screw terminals |
| Rated uninterrupted current [Iu] | |
| Overload releases |
16 A |
| short-circuit release >max. [Irm ] |
|
| Phase-failure sensitivity | 10 - 16 A |
| Notes | 280 A |
| Standards | IEC/EN 60947-4-1, VDE 0660 Part 102 |
| Climatic proofing | For the protection of transformers with a high inrush current. Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height. |
| Ambient temperature >Storage |
|
| Ambient temperature >Open |
IEC/EN 60947, VDE 0660 |
| Ambient temperature >Enclosed |
Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30 |
| Mounting position | - 40 - 80 °C |
| Direction of incoming supply | -25 - +55 °C |
| Degree of protection >Device |
- 25 - 40 °C |
| Degree of protection >Terminations |
|
| Protection against direct contact when actuated from front (EN 50274) | as required |
| Mechanical shock resistance half-sinusoidal shock 10 ms to IEC 60068-2-27 | IP20 |
| Altitude | IP00 |
| Terminal capacity main cable >Screw terminals >Solid |
Finger and back-of-hand proof |
| Terminal capacity main cable >Screw terminals >Flexible with ferrule to DIN 46228 |
25 g |
| Terminal capacity main cable >Screw terminals >Solid or stranded |
Max. 2000 m |
| Terminal capacity main cable >Screw terminals >Stripping length |
1 x (1 - 6) 2 x (1 - 6) mm2 |
| Specified tightening torque for terminal screws >Main cable |
1 x (1 - 6) 2 x (1 - 6) mm2 |
| Specified tightening torque for terminal screws >Control circuit cables |
18 - 10 AWG |
| Rated impulse withstand voltage [Uimp] | 10 mm |
| Overvoltage category/pollution degree | 1.7 Nm |
| Rated operational voltage [Ue ] | 1 Nm |
| Rated uninterrupted current = rated operational current [Iu = Ie ] | |
| Rated frequency [f] | 6000 V AC |
| Current heat loss (3 pole at operating temperature) | III/3 |
| Lifespan, mechanical [Operations] | 690 V AC |
| Lifespan, electrical (AC-3 at 400 V) >Lifespan, electrical [Operations] |
16 A |
| Max. operating frequency | 40 - 60 Hz |
| Short-circuit rating >DC >Short-circuit rating |
6 W |
| Motor switching capacity >AC-3 (up to 690V) |
0.1 x 106 |
| Motor switching capacity >DC-5 (up to 250V) |
0.1 x 106 |
| Temperature compensation >to IEC/EN 60947, VDE 0660 |
40 Ops/h |
| Temperature compensation >Operating range |
60 kA |
| Temperature compensation residual error for T > 40 °C | 16 A |
| Setting range of overload releases | 16 (3 contacts in series) A |
| short-circuit release | |
| Short-circuit release tolerance | - 5…40 °C |
| Phase-failure sensitivity | - 25…55 °C |
| Rated operational current for specified heat dissipation [In] | ≦ 0.25 %/K |
| Heat dissipation per pole, current-dependent [Pvid] | 0.6 - 1 x Iu |
| Equipment heat dissipation, current-dependent [Pvid] | Basic device, fixed: 20 x Iu |
| Static heat dissipation, non-current-dependent [Pvs] | ± 20% |
| Heat dissipation capacity [Pdiss] | IEC/EN 60947-4-1, VDE 0660 Part 102 |
| Operating ambient temperature min. | |
| Operating ambient temperature max. | 16 A |
| 10.2 Strength of materials and parts >10.2.2 Corrosion resistance |
2 W |
| 10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures |
6 W |
| 10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat |
0 W |
| 10.2 Strength of materials and parts >10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects |
0 W |
| 10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation |
-25 °C |
| 10.2 Strength of materials and parts >10.2.5 Lifting |
+55 °C |
| 10.2 Strength of materials and parts >10.2.6 Mechanical impact |
|
| 10.2 Strength of materials and parts >10.2.7 Inscriptions |
Meets the product standard´s requirements. |
| 10.3 Degree of protection of ASSEMBLIES | Meets the product standard´s requirements. |
| 10.4 Clearances and creepage distances | Meets the product standard´s requirements. |
| 10.5 Protection against electric shock | Meets the product standard´s requirements. |
| 10.6 Incorporation of switching devices and components | Meets the product standard´s requirements. |
| 10.7 Internal electrical circuits and connections | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.8 Connections for external conductors | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.9 Insulation properties >10.9.2 Power-frequency electric strength |
Meets the product standard´s requirements. |
| 10.9 Insulation properties >10.9.3 Impulse withstand voltage |
Does not apply, since the entire switchgear needs to be evaluated. |
| 10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material |
Meets the product standard´s requirements. |
| 10.10 Temperature rise | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.11 Short-circuit rating | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.12 Electromagnetic compatibility | Is the panel builder´s responsibility. |
| 10.13 Mechanical function | Is the panel builder´s responsibility. |
| Rated permanent current Iu | Is the panel builder´s responsibility. |
| Rated voltage | Is the panel builder´s responsibility. |
| Rated short-circuit breaking capacity lcu at 400 V, 50 Hz | Is the panel builder´s responsibility. |
| Overload release current setting | The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices. |
| Adjustment range short-term delayed short-circuit release | Is the panel builder´s responsibility. The specifications for the switchgear must be observed. |
| Adjustment range undelayed short-circuit release | Is the panel builder´s responsibility. The specifications for the switchgear must be observed. |
| Integrated earth fault protection | The device meets the requirements, provided the information in the instruction leaflet (IL) is observed. |
| Type of electrical connection of main circuit | |
| Device construction | |
| Suitable for DIN rail (top hat rail) mounting | 16 A |
| DIN rail (top hat rail) mounting optional | 690 - 690 V |
| Number of auxiliary contacts as normally closed contact | 50 kA |
| Number of auxiliary contacts as normally open contact | 16 - 16 A |
| Number of auxiliary contacts as change-over contact | 0 - 0 A |
| With switched-off indicator | 358 - 358 A |
| With under voltage release | No |
| Number of poles | Screw connection |
| Position of connection for main current circuit | Other |
| Type of control element | Yes |
| Complete device with protection unit | Yes |
| Motor drive integrated | 0 |
| Motor drive optional | 0 |
| Degree of protection (IP) | 0 |
| Specially designed for North America | Yes |
| Accessories | No |
| Characteristic curve | 3 |
| Characteristic curve | Other |
| Characteristic curve | Turn button |
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