LZS:PT78730

**LZS:PT78730** 

## **Data sheet** 

plug-in socket for PT relay, 3 changeover contacts, screw terminal 

||plug-in socket for PT relay, 3 changeover contacts, screw terminal|
|---|---|
|**product brand name**|SIRIUS|
|**product type designation**|LZS|
|**General technical data**<br>~~|~~||
|**display version LED**<br>~~|~~|No<br>~~|~~|
|**switching behavior**|monostable|
|**reference code according to IEC 81346-2**|U|
|**Substance Prohibitance(Date)**|05/01/2012|
|**Net Weight**|51g|
|**Switching Function**<br>~~|~~||
|**design of the switching function**<br>~~|~~|changeover switch<br>~~|~~|
|**Mechanical data**<br>~~|~~||
|**product componentplug-in socket**<br>~~|~~|Yes<br>~~|~~|
|**design of the snap-on socket base**|Standard socket|
|**design of the relay operating mechanism**|poled|
|**Auxiliary circuit**<br>~~|~~||
|**number of NC contacts for auxiliary contacts**<br>~~|~~|0<br>~~|~~|
|**number of NO contacts for auxiliary contacts**|0|
|number of CO contacts for auxiliarycontacts|0|
|**Connections/ Terminals**<br>~~|~~||
|**product function removable terminal**<br>~~|~~|No<br>~~|~~|
|**type of electrical connection**|screw terminal|
|**type of connectable conductor cross-sections**||
|● solid|1x(1,0 ... 2,5), 2x 1,0, 2x 1,5, 2x 2,5|
|● finelystranded with core endprocessing|1x(1.0 ... 1.5), 2x 1.0, 2x 1.5|
|● for AWG cables solid|1x(18 ... 14), 2x 18, 2x 16, 2x 14|
|**connectable conductor cross-section**||
|● solid|1 ... 2.5 mm²|
|● finelystranded with core endprocessing|1 ... 1.5 mm²|
|**AWG number as coded connectable conductor cross**<br>**section**||
|● solid|18 ... 14|
|tighteningtorque with screw-type terminals|0.5 ... 0.7 N·m|
|**Installation/ mounting/ dimensions**<br>~~|~~||
|**mounting position**<br>~~|~~|any<br>~~|~~|
|**fastening method**|snap-on mounting|
|**height**|74 mm|
|**width**|27 mm|
|**depth**|41.5 mm|
|**Ambient conditions**<br>~~ee~~||



Subject to change without notice © Copyright Siemens 

## **ambient temperature** 

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● during operation -40 ... +70 °C<br>● during storage -25 ... +70 °C<br>● during transport -25 ... +70 °C<br>Pee Approvals Certificates<br>Environment General Product Approval Maritime application<br>Environmental Con-<br>firmations<br>fl<br>— UL WDE FAL «ssC&SEG-Konf, Les<br>other<br>Confirmation —_ —— Confirmation  |FRaK<br>**----- End of picture text -----**<br>


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LZS:PT78730 Page 2/3 

Subject to change without notice © Copyright Siemens 

5/18/2026 

## -U **last modified:** ~~—~~ 10/22/2025 LZS:PT78730 Subject to change without notice Page 3/3 5/18/2026 © Copyright Siemens