Contactor | 3RT2018-AP01 (SIEMENS)
Contactor | 3RT2018-AP01 (SIEMENS)
Blog Article
The Siemens 3RT2018-AP01 is a SIRIUS 3RT2 series contactor designed for switching motors and other high-power loads in industrial applications. Below are its detailed specifications and features:
Key Specifications:
Type: 3RT2018-AP01
Part of the SIRIUS 3RT2 series (industrial-grade contactors).
Poles: 3-Pole (3NO main contacts).
Rated Operational Current (Ie):
18A at AC-3 (motor switching, 400V).
25A at AC-1 (resistive loads, 400V).
Voltage Ratings:
Control Voltage (Coil): 230V AC/DC (standard; other voltages available).
Main Circuit Voltage: Up to 690V AC.
Switching Capacity:
AC-3: 7.5 kW (400V), 18A.
AC-1: 11 kW (400V), 25A.
Mechanical Life: 10 million operations.
Electrical Life: 200,000 operations (AC-3).
Additional Features:
Modular Design: Compatible with Siemens overload relays (3RU) and auxiliary contacts (3RT29).
Mounting: DIN rail (35mm) or screw-mounted.
Enclosure: IP20 (basic protection; higher IP with enclosures).
Standards: IEC 60947-4-1, UL/CSA.
Wiring & Control:
Coil Terminals (A1/A2):
A1: Phase/Live (230V AC) or positive (DC).
A2: Neutral (AC) or negative (DC).
Main Terminals (1-2, 3-4, 5-6): For 3-phase power connection (L1-T1, L2-T2, L3-T3).
Typical Applications:
Motor starters (with 3RU overload relays).
Compressors, pumps, conveyors.
Industrial automation control panels.
Compatible Accessories:
Overload Relay: 3RU2116-1HB0 (for 18A protection).
Auxiliary Contact Block: 3RT2928-1AP00 (1NO + 1NC).
Mechanical Interlock: 3RT2925-1A (for reversing contactors).
Similar Models:
Schneider LC1D18 (TeSys D, 18A).
ABB ACH18-30-10 (18A, 400V).
Eaton DILM18 (18A, 230V coil).
Installation Notes:
Ensure proper thermal/magnetic protection (e.g., fuse + overload relay).
Verify coil voltage matches supply (e.g., 230V AC vs. 24V DC).https://store.unigulfsupply.com/product/3rt2018-ap01/