1 or 2 Pole 16 A Step relays for direct 35 mm rail (EN 50022) mounting with the following features: 17.4 mm wide, test button with mechanical indicators, 6 switching sequences available, AC coils and DC coils, identification label, possible to connect illuminated push buttons with the additional part 026.00, 35 mm rail (EN 50022) mount, cadmium free contact material.
This manual describes the 20 series modular step relays, available in 1‑pole, 2‑pole and double‑pole configurations with 16 A contacts. It lists the selectable switching sequences, coil options (AC and DC), contact materials and mounting options for 35 mm rail (EN 50022).
Technical specifications such as rated current, voltage, coil nominal voltages, protection rating (IP20) and mechanical/electrical life are detailed, along with wiring diagrams, accessory modules for illuminated push‑buttons, and ordering codes.
| Rated current / Maximum peak current | 16 A / 30 A |
|---|---|
| Rated voltage / Maximum switching voltage | 250 V AC / 400 V AC |
| Contact material | AgNi |
| Coil nominal voltage (VAC) | 8‑12‑24‑48‑110‑120‑230‑240 V |
| Protection category | IP20 |
The relay is rated for 16 A continuous current with a maximum peak current of 30 A.
Coil voltages are offered at 8, 12, 24, 48, 110, 120, 230 and 240 V (both AC and DC versions).
The relay provides a choice of six switching sequences.
The contacts are made of silver‑nickel alloy (AgNi).