Siemens Single/Dual-Channel Speed/Standstill Monitoring Safety Relay, 24V dc, 4 Safety Contacts

RS Stock No.: 763-6811Brand: SiemensManufacturers Part No.: 3TK2827-2BB41
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Technical Document

Specifications

Brand

Siemens

Supply Voltage

24V dc

Number of Channels

1, 2

Safety Contacts

4

Function

Speed/Standstill Monitoring

Range

SIRIUS

Safety Category

3

Depth

120mm

Series

3TK28

Width

45mm

Performance Level

d

Length

138.5mm

Country of Origin

Germany

Product details

SIRIUS 3TK28 27/28 Safety Relays with Timed Delay

The SIRIUS 3TK28 27/28 Safety Relays with Timed Delay provide the functionality of time delayed contacts within a 45mm housing. The time delay is adjustable for each unit. Two different types offer a time delay from 0.05s up to 3s or 0.5s up to 30s. While standard safety contacts in these units are certified up to Category 4, time delayed outputs only reach a Category 3 level according to EN954-1.

Standard relay enable circuits (positively driven)
Suitable for use with Expansion module 3TK28 30
Single/two-channel sensor connection
Width 45mm

Standards

EN 60204-1, EN 92, EN 954-1.

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P.O.A.

Siemens Single/Dual-Channel Speed/Standstill Monitoring Safety Relay, 24V dc, 4 Safety Contacts

P.O.A.

Siemens Single/Dual-Channel Speed/Standstill Monitoring Safety Relay, 24V dc, 4 Safety Contacts
Stock information temporarily unavailable.

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Technical Document

Specifications

Brand

Siemens

Supply Voltage

24V dc

Number of Channels

1, 2

Safety Contacts

4

Function

Speed/Standstill Monitoring

Range

SIRIUS

Safety Category

3

Depth

120mm

Series

3TK28

Width

45mm

Performance Level

d

Length

138.5mm

Country of Origin

Germany

Product details

SIRIUS 3TK28 27/28 Safety Relays with Timed Delay

The SIRIUS 3TK28 27/28 Safety Relays with Timed Delay provide the functionality of time delayed contacts within a 45mm housing. The time delay is adjustable for each unit. Two different types offer a time delay from 0.05s up to 3s or 0.5s up to 30s. While standard safety contacts in these units are certified up to Category 4, time delayed outputs only reach a Category 3 level according to EN954-1.

Standard relay enable circuits (positively driven)
Suitable for use with Expansion module 3TK28 30
Single/two-channel sensor connection
Width 45mm

Standards

EN 60204-1, EN 92, EN 954-1.