45 A 4-Pole Switching Block — AF Series
The ABB 1SBL236261R2100 is a 4-pole contactor from the AF series, configured with 4 normally-open (4NO) contacts. It switches 45 A at up to 690 V AC, handling 11 kW AC and 5.5 kW DC loads. The 4-pole block suits applications needing independent switching of multiple circuits — common in motor starters, resistive heater banks, or transfer switching where a single contactor controls both power and control legs.
Panel Fit — DIN Rail, Screw Terminals, IP20
Mounts on standard DIN rail (EN 60715) with screw terminals for field wiring — no special tools beyond a screwdriver for termination. IP20 finger-safe enclosure means it can sit in an open control panel without additional guarding. The screw terminals accept copper conductors up to the rated cross-section for 45 A — torque values per the ABB installation guide on the nameplate. The IP20 rating covers the contactor body; the terminals are touch-safe when wired.
Lifecycle & Sourcing — Active Production
Sourced through authorized distribution channels; availability and pricing confirmed at RFQ against your BOM quantity. The AF series is a standard ABB catalog line — replacement parts and accessories (coils, auxiliary contact blocks, mechanical interlocks) are widely available. No pin-compatible direct substitute from other manufacturers is documented; the 4-pole 45 A footprint is specific to this series.