Interface module for NZM4 PXR25, connection for communication, neutral conductor voltageOptional accessories for the circuit-breaker series NZM offers a comprehensive portfolio of application options for use world wide. The mounting is always flexible and easy thanks to the modular function groups. Notes: Breaker status modules - For multi purpose connection of optional circuit-breaker features. Required for communication. Type of connections depends on the version of the breaker status module. Detection of circuit-breaker status (I, +, 0) for the electronic release. Breaker status can be communicated. Auxiliary power supply connection for 2 x 24 V DC. Connection for communication adapter module (CAM). CAM available for various fieldbus communication systems (Profibus DP, SmartWire-DT, Ethernet based fieldbus). Connection to internal Modbus RTU module. Connection to Vn voltage tap-off.
Interface module for NZM4 PXR25, connection for communication, neutral conductor voltage
Optional accessories for the circuit-breaker series NZM offers a comprehensive portfolio of application options for use world wide. The mounting is always flexible and easy thanks to the modular function groups. Notes: Breaker status modules - For multi purpose connection of optional circuit-breaker features. Required for communication. Type of connections depends on the version of the breaker status module. Detection of circuit-breaker status (I, +, 0) for the electronic release. Breaker status can be communicated. Auxiliary power supply connection for 2 x 24 V DC. Connection for communication adapter module (CAM). CAM available for various fieldbus communication systems (Profibus DP, SmartWire-DT, Ethernet based fieldbus). Connection to internal Modbus RTU module. Connection to Vn voltage tap-off.
| Product range | Accessories |
| Accessories | Interface module |
| Standard/Approval | UL/CSA, IEC |
| Construction size | NZM4 |
| Description | For universal connection of optional circuit breaker functions. Required for communication The connection types depend on the design of the interface module. Circuit breaker status detection (I, +, 0) for the electronic trip unit. The switch´s status can be communicated. 24 V DC auxiliary power connection. Connection for Communications Adapter Module (CAM). Optional CAM available for various Fieldbus communication systems (Profibus DP, SmartWire-DT, Ethernet-based Fieldbus). Connection to optional, internal Modbus RTU module. Connection to neutral voltage Vn. Mechanical pass-through of the switch´s status (I, O) for use by the remote operator. |
| Connection type | with push in terminal With bolt connection |
| For use with | NZM4-PX(PMX)… |
| Rated control voltage [Us
] >DC [Us ] |
24-24 V DC |
| Rated control voltage [Us
] >Tolerance |
+/- 20% |
| Rated control voltage [Us
] >max. current consumption |
100 |
| Rated control voltage [Us
] >Connection >Connection type |
Screw terminal |
| Rated control voltage [Us
] >Connection >Stripping length |
5 mm |
| Rated control voltage [Us
] >Connection >Terminal capacity >Solid |
1 x (0.2 - 1.5) mm2 |
| Rated control voltage [Us
] >Connection >Terminal capacity >Stranded |
1 x (0.2 - 1.5) mm2 |
| Rated control voltage [Us
] >Connection >Terminal capacity |
1 x AWG 24 - AWG 16 AWG |
| Rated control voltage [Us
] >Connection >Terminal capacity >with uninsulated end sleeve in accordance with DIN46228 / 1 |
1 x (0,25 - 0,75) mm2 |
| Rated control voltage [Us
] >Connection >Terminal capacity >with insulated end sleeve in accordance with DIN46224 / 4 |
1 x (0,25 - 0,75) mm2 |
| Rated control voltage [Us
] >Connection >Terminal capacity >Min. tightening torque |
0.22 Nm |
| Rated control voltage [Us
] >Connection >Terminal capacity >Maximum tightening torque |
0.25 Nm |
| Connection technique | 5-pin plug connector |
| Connection type | assembled CAM cable |
| Connection technique | 10-pin plug connector |
| Connection type | pre-wired cable to the Modbus module |
| 10.2 Strength of materials and parts >10.2.2 Corrosion resistance |
Meets the product standard´s requirements. |
| 10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures |
Meets the product standard´s requirements. |
| 10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat |
Meets the product standard´s requirements. |
| 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 |
Meets the product standard´s requirements. |
| 10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation |
Meets the product standard´s requirements. |
| 10.2 Strength of materials and parts >10.2.5 Lifting |
Does not apply, since the entire switchgear needs to be evaluated. |
| 10.2 Strength of materials and parts >10.2.6 Mechanical impact |
Does not apply, since the entire switchgear needs to be evaluated. |
| 10.2 Strength of materials and parts >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 Insulation properties >10.9.2 Power-frequency electric strength |
Is the panel builder´s responsibility. |
| 10.9 Insulation properties >10.9.3 Impulse withstand voltage |
Is the panel builder´s responsibility. |
| 10.9 Insulation properties >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. |
| Type of accessory | Communication and measuring function |
| Product Standards | In preparation |
| Degree of Protection | Installation in the switch |
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