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SAFE-DELAY Safety Relay

Safety relay with time-off delay contacts for emergency stop buttons, safety door switches and light curtain monitoring


2 safe non-delayed relay contacts, 2 safe time-off delayed contacts adjustable up to 30 sec., 1- or 2-channel input, auto and manual start, up to SIL 3 / Cat. 4, PL e, 24 V AC/DC, width: 22.5 mm


  • 2 N/O Safety Contacts – Off Delayed
  • 2 N/O Safety Contacts
  • Manual Start
  • PL e, Category 4 (EN ISO 13849-1)


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SKU SAFE-DELAY Categories ,


SAFE-DELAY is a safety relay with non-delayed and time-off delayed contacts for emergency stop, safety door and light curtain monitoring up to SIL 3 and Cat. 4, PL e in accordance with EN 62061 and EN ISO 13849, certified by TÜV Rheinland, 1- or 2-channel operation with or without cross circuit detection, automatic and manual start, 2 non-delayed safe relay contacts, 2 safe contacts with adjustable time delay up to 30 sec., nominal input voltage: 24 V AC/DC, max. switching capacity 250 V AC / 6 A, pluggable screw terminal blocks

Standards and Regulations

In Compliance WithEN 60204-1; EN ISO 13849-1; IEC 62061
Rated Impulse Withstand Voltage (control voltage / contacts)2.5 kV
Dielectric Strength4 kV
Rated Insulation Voltage250 V
Degree of Pollution2
Overvoltage Category3

Input Data

Nominal Operating Voltage24 V AC / DC
Power Consumption (max.)AC 5.3 VA / DC 4.7 W
Input Voltage Range DC21.6 … 26.4 V
Input Voltage Range AC21.6 … 26.4 V
Frequency50 … 60 Hz
Control voltage at S1124 V DC
Max. length of control line1000 m (0.75 mm²)
Recovery Time< 500 ms

Output Data

Safe Contacts (non delayed)2 NO
Switching Voltage (max.)250 V AC
Contact Rating AC (resistive load)250 V, 2000 VA, 8 A
Contact Rating 230 V AC-15250 V, 3 A
Contact Rating DC (resistive load)30 V, 240 W, 8 A
Contact Rating 24 V DC-1324 V, 3 A
Thermal Current per contactMax. 15 A total (see datasheet)
Minimum Contact Load5 V, 10 mA
External Fuses10 A gG (NO)
Switch-on Delay (max.)< 30 ms
Switch-off Delay (max.)30 ms … 30 sec.
Relay Contact MaterialAgSnO2
Relay Contact Life (cycles)1 x 10⁷

Mechanical Data

Wire Width0.14 … 2.5 mm²
Tightening Moment (min. / max.)0.5 Nm / 0.6 Nm
Weight (typ.)229 g
Mounting DIN Rail according EN 60715TH35

Ambient Condition

Degree of ProtectionIP20
Ambient Temperature (operating)-15 °C … +40 °C
Ambient Temperature (storage/transport)-15 °C … +85 °C
Operating Altitude (max. above sea level)< 2000 m


Width22.5 mm
Height99 mm
Depth114 mm


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