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S2 series
Standard safety relay 1 safety function

Monitoring of:

Functions:

  • Manual or automatic reset
  • EDM (External Device Monitoring)

Safety contacts:

  • 3 x No contact DC13, 4A

Signal contacts:

  • 1 x Opener 24 VDC / 1 A
  • Setting via rotary switch

Betreff: S2 series Standard safety relay 1 safety function

General data

Type designation
S2 series
Item number
SP-K-70-001-00
Interference immunity
to EMC Directive
Mounting
standard DIN rail to EN 60715
Terminal designations
EN 60947-1
PFHD relay output
≤ 1.25 x 10⁻⁸ / h
PFDavg relay output
≤ 5.3 x 10⁻⁵
DC
high

Safety data

Category (EN ISO 13849-1:2015)
Cat. 4
SIL (acc. IEC 62061)
suitable for applications in SIL 3
CCF (ISO 13849-1)
> 65 points

Environmental conditions

Ambient temperature
–25 °C … +60 °C (non condensing) °C
Resistance to shock
30 g/11 ms
Max. storage temperature
–40 °C … +85 °C (non condensing) °C
Resistance to vibrations to EN 60068-2-6
10 ... 55 Hz, Amplitude 0.35 mm
Altitude
max. 2,000 m
Contamination level
2

Electrical data

Rated operating voltage Ue
24 VDC / 24 VAC –20%/+20% V
Frequency range
50 Hz/60 Hz
Power Supply
SELV-Netzteil network as per DIN EN 60950; safety transformer as per DIN EN 61558-2-6 (AC); mains power supply must harmonise with device safety (characteristic/melting property) so that triggering is assured
Power consuption
2.4 W, 7 VA
Protection of the operating voltage
we recommend a circuit breaker type Z (max. 16 A) or a fine fuse (max. 15 A, delayed action)
UL Rating of external fuse:
max. 16 A, only use fuses in accordance with UL 248 series
Isolation parameters acc. to IEC 60664-1
Rated insulation voltage Ui
- safety contacts
250 V
Safety outputs
50 V
Rated impulse withstand voltage Uimp
- safety contacts 13-14, 23-24
6 kV
- safety contact 33-34
4 kV
-Safety outputs
0.8 kV
Overvoltage category
III
Pick-up delay
< 150 ms
Dropout delay emergency-stop
< 10 ms
Dropout delay power failure
< 10 ms
Bridging voltage drop
typ. 5 ms
Standby after power switched on [s]
< 1,5 s
Terminal blocks
Single-wire (rigid) or fine-wire (flexible)
0.2 … 2.5 mm²
Fine-wired with wire sleeve
0.25 … 2.5 mm²
0.5 Nm
Control current circuits/inputs
Inputs S12, S22
24 VDC/8 mA
Inputs X2, X3, X7
24 VDC/8 mA
Clock outputs S11, S21
> 20 VDC, 10 mA per output
Cable length
1500 m with 1.5 mm²; 2500 m with 2.5 mm²
Conduction resistance
max. 40 Ω
Relay outputs
Switching capacity of the safety contacts
contacts 13-14, 23-24, 33-34: max. 250 V, 6 A ohms. min. 10 VDC / 10 mA (Derating see 2.5)
Fuse rating of the safety contacts
external (Ik = 1000 A) acc. to EN 60947-5-1 Safety fuse 10 A quick blow. 6 A slow blow
Utilisation category to EN 60947-5-1
AC-15: 230 V / 4 A DC-13: 24 V / 4 A
Fuse rating for the auxiliary contact
41-42: 24 VDC / 1 A
Safety contact values
safety fuse 2.5 A quick blow, 2 A slow blow
Electrical service life (nominal load)
see 2.5 (operating manual) Years
mechanical lifespan
10 million switching cycles
resistance max. 100 mΩ, AgNi, self-cleaning, positive action
Max. switching cycles / minute
20
Inductive consumers
provision is to be made for suitable protective wiring for suppression

Mechanical data

Housing material
glass-fibre reinforced thermoplastic. ventilated
Dimensions
Height
98 mm
Width
22,5 mm
Length
115 mm

LED diagnostics

Diagnose function
Diagnose function

Electrical drawings

Connection example 1
Connection example 1
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