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Siemens 3TK2810-0BA01 — Safety Relays

Siemens 3TK2810-0BA01

MPN3TK2810-0BA01
Active

SIRIUS safety relay safety-oriented Standstill monitoring 24 V DC, 45 mm screw terminal EC instantaneous: 3 NO + 1 NC EC delayed: 0 SC: 3 Auto-start Basic unit max. error category EN 954-1: 4 Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3TK2810-0BA01 — Identification
ParameterValue
Product brand nameSIRIUS
Product designationStandstill monitor
Product design / configurationfor safe stoppage monitoring
3TK2810-0BA01 — Safety ratings
ParameterValue
Safety integrity level (IEC 61508)3
Category (EN ISO 13849-1)4
PFHd, high demand rate (EN 62061)1.5E-9 1/h
Hardware fault tolerance (IEC 61508)1
Stop category (EN 60204-1)0
Safety device type (IEC 61508-2)Type B
3TK2810-0BA01 — Monitoring & inputs
ParameterValue
Emergency-off circuit monitoringNo
Protective door monitoringNo
Position switch monitoringNo
Safety switchYes
Magnetically operated switch monitoringNo
Start inputNo
Tactile sensor monitoringNo
Valve monitoringNo
Monitored start-upNo
Feedback inputYes
3TK2810-0BA01 — Outputs & contacts
ParameterValue
Safety-related instantaneous contacts4
Safety-related delayed contacts0
Signaling-function instantaneous contacts2
Max. operating frequency1 200 1/h
3TK2810-0BA01 — Electrical
ParameterValue
Rated insulation voltage690 V
Rated surge voltage withstand6 000 V
Control supply voltage type (AC/DC)DC
Required output short-circuit protection (fuse / MCB)quick: 5 A
3TK2810-0BA01 — Connection
ParameterValue
Type of electrical connectionscrew-type terminals
Conductor cross-section, solid2x (20 ... 14)
Conductor cross-section, stranded2x (20 ... 14)
Conductor cross-section, with ferrule1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)
Plug-in socket connectionYes
3TK2810-0BA01 — Mechanical
ParameterValue
Touch protection against electric shockfinger-safe
Fastening methodscrew and snap-on mounting
Mounting positionany
Width45 mm
Height138.5 mm
Depth120 mm
3TK2810-0BA01 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-40 ... +75 °C
Relative humidity, operating10 ... 95 %
Enclosure protection rating (IP)IP20
Installation altitude, max.2 000 m
Shock resistance8g / 10 ms
Vibration resistance (IEC 60068-2-6)10 ... 55 Hz: 0.35 mm
Air pressure (SN 31205)90 ... 106 kPa
EMC / emitted interference standardsIEC 61000-6-2, IEC 61000-6-3
3TK2810-0BA01 — Approvals
ParameterValue
UL approvalYes
3TK2810-0BA01 — Specifications
ParameterValue
At DC rated value24 V
Electrical Endurance (Operating Cycles) Typical200 000
MPN
3TK2810-0BA01