Parameters
Category Parameter Specification for S2-A2 110-415V
General Type General Purpose Plug-in Relay, 8-pin (Octal Base)
Contact Configuration DPDT (2 Form C) – 2 changeover contact sets.
Mounting 8-pin Octal Plug-in Base (e.g., PK-0 socket). Can be panel-mounted with socket or DIN-rail mounted with adapter.
Coil Data Rated Coil Voltage (Uc) AC 110-415 V, 50/60 Hz (Universal range).
Operational Voltage Range 0.8 to 1.1 x Uc (Typically 85-460V AC).
Coil Power Consumption Pick-up: ~4.5 VA; Holding: ~2.5 VA (typical values).
Thermal Dissipation Approx. 1.5 W.
Contact Data Contact Material Fine Silver or Silver Alloy.
Max. Switching Voltage 250 V AC / 30 V DC.
Max. Switching Current (Resistive) 10 A (at 250V AC).
Max. Switching Power AC-15: 1500 VA (at cos φ=0.3); DC-13: 90 W (at L/R=40ms).
Minimum Switching Load 100 mA at 5 V DC (for reliable contact wiping).
Performance Electrical Life > 100,000 operations (at rated load).
Mechanical Life > 10 million operations.
Operate/Release Time Approx. 15 ms / 10 ms (typical).
Max. Switching Frequency ~3600 operations/hour (mechanical).
Indication Status Indicator Mechanical flag (visible through cover).
Terminals Connection (via Socket) Screw clamp terminals on the octal socket.
Wire Size Up to 2.5 mm².
Environmental Operating Temperature -40°C to +60°C.
Storage Temperature -55°C to +85°C.
Protection Degree IP40 (with cover, as mounted). IP20 (terminals).
Vibration/Shock Resistance Suitable for standard industrial environments.
Standards Compliance IEC/EN 61810-1, IEC/EN 60947-5-1.
Approvals CE, cULus, CCC.
The ABB S2-A2 110-415V is a universal, high-quality, general-purpose electromagnetic relay from ABB's extensive range of industrial control components. It is an 8-pin (octal base), plug-in relay featuring a DPDT (Double Pole Double Throw) contact configuration. The "110-415V" suffix explicitly denotes its coil voltage range, indicating it is designed to operate reliably across a wide spectrum of AC voltages, from 110V to 415V, at 50/60 Hz.