SAFE-SIL Coupling relay and contact expansion

Description

SAFE-SIL is a safety relay for coupling safe output signals of DCS or PLC systems. Furthermore it can be used as a contact extension for a basic safety device. No feedback loop is required. TÜV Rheinland has certified this module up to SIL 3 and Cat. 4, PL e in accordance with EN 62061 / EN 61508 and EN ISO 13849. Single channel operation, automatic start, 3 safe relay contacts, nominal input voltage: 24 V DC, max. switching capacity 250 V AC / 6 A, pluggable screw terminal blocks

Standards and Regulations

In Compliance With	EN 60204-1; DIN EN ISO 13849-1; EN 62061; EN 50156-1 EN 746-2; IEC 61508 Parts 1-2 and 4-7; IEC 61511-1
Rated Impulse Withstand Voltage (control voltage / contacts)	2.5 kV
Dielectric Strength	6 kV
Rated Insulation Voltage	250 V
Degree of Pollution	2
Overvoltage Category	3

Input Data

Nominal Operating Voltage	24 V DC
Input Voltage Range DC	21.6 … 26.4 V
Power Consumption (max.)	2 W
Line resistance at nominal voltage (max.)	50 Ω
Recovery Time	< 500 ms

Output Data

Safe Contacts (non delayed)	3 NO
Auxiliary Contacts (non delayed)	1 NC
Switching Voltage (max.)	250 V AC
Contact Rating AC (resistive load)	8 A (250 V, 2000 VA)
Contact Rating 230 V AC-15	3 A
Contact Rating DC (resistive load)	8 A (30 V, 240 W)
Contact Rating 24 V DC-13	3 A
Thermal Current per contact	Max. 15 A total (13-14, 23-24, 33-34)
Minimum Contact Load	5 V, 10 mA
External Fuses	10 A gG (NO); 6 A gG (NC)
Switch-on Delay (max.)	< 30 ms
Switch-off Delay (max.)	< 60 ms
Relay Contact Material	AgSnO2
Relay Contact Life (cycles)	1 x 10⁷

Mechanical Data

Wire Width	0.14 … 2.5 mm²
Tightening Moment (min. / max.)	0.5 Nm / 0.6 Nm
Weight (typ.)	175 g
Mounting DIN Rail according EN 60715	TH35

Ambient Condition

Degree of Protection	IP20
Ambient Temperature (operating)	-15 °C … +55 °C
Ambient Temperature (storage/transport)	-15 °C … +85 °C
Operating Altitude (max. above sea level)	< 2000 m