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                                                                                                                                                                                                                                                        • ABB NF22E-12 1SBH137001R1222 Auxiliary Contactor

                                                                                                                                                                                                                                                          Product Overview

                                                                                                                                                                                                                                                          The ABB NF22E-12 (1SBH137001R1222) Auxiliary Contactor is a 4-pole auxiliary contactor relay designed for switching and controlling auxiliary circuits in industrial control systems. It features 2 normally open (NO) contacts and 2 normally closed (NC) contacts and is suitable for control, interlocking, signaling, and monitoring applications.

                                                                                                                                                                                                                                                          Specifications

                                                                                                                                                                                                                                                          Parameter	Description
                                                                                                                                                                                                                                                          Brand	ABB
                                                                                                                                                                                                                                                          Model	NF22E-12
                                                                                                                                                                                                                                                          Part Number	1SBH137001R1222
                                                                                                                                                                                                                                                          Product Type	Auxiliary Contactor / Contactor Relay
                                                                                                                                                                                                                                                          Series	NF Series
                                                                                                                                                                                                                                                          Number of Poles	4 Poles
                                                                                                                                                                                                                                                          Contact Configuration	2NO + 2NC
                                                                                                                                                                                                                                                          Coil Voltage	48–130 VAC/DC
                                                                                                                                                                                                                                                          Frequency	50/60 Hz
                                                                                                                                                                                                                                                          Rated Thermal Current (Ith)	16 A
                                                                                                                                                                                                                                                          Rated Insulation Voltage	690 VAC
                                                                                                                                                                                                                                                          Auxiliary Contact Rating	AC-15 / 230V: 4A
                                                                                                                                                                                                                                                          Mounting	DIN Rail / Panel Mount
                                                                                                                                                                                                                                                          Terminal Type	Screw Terminal
                                                                                                                                                                                                                                                          Weight	Approx. 0.27 kg

                                                                                                                                                                                                                                                           

                                                                                                                                                                                                                                                          Advantages & Features

                                                                                                                                                                                                                                                          • Provides reliable switching for control and auxiliary circuits
                                                                                                                                                                                                                                                          • 4-pole design with flexible NO/NC contact configuration
                                                                                                                                                                                                                                                          • Supports wide coil voltage range (48–130V AC/DC)
                                                                                                                                                                                                                                                          • Compact design for control cabinet installation
                                                                                                                                                                                                                                                          • Mechanically linked auxiliary contacts for reliable operation
                                                                                                                                                                                                                                                          • Suitable for motor control and automation systems
                                                                                                                                                                                                                                                          • Built-in surge suppression reduces electrical interference

                                                                                                                                                                                                                                                           

                                                                                                                                                                                                                                                          Applications

                                                                                                                                                                                                                                                          • Industrial Control Panels
                                                                                                                                                                                                                                                          • Motor Control Systems
                                                                                                                                                                                                                                                          • PLC Control Circuits
                                                                                                                                                                                                                                                          • Electrical Interlocking Systems
                                                                                                                                                                                                                                                          • Signal Feedback Circuits
                                                                                                                                                                                                                                                          • Automation Equipment
                                                                                                                                                                                                                                                          • Power Distribution Control Systems

                                                                                                                                                                                                                                                          Precautions

                                                                                                                                                                                                                                                          • Confirm coil voltage before installation.
                                                                                                                                                                                                                                                          • Verify contact configuration (2NO + 2NC).
                                                                                                                                                                                                                                                          • Do not use auxiliary contacts for loads exceeding rated limits.
                                                                                                                                                                                                                                                          • Check wiring and terminal connections.
                                                                                                                                                                                                                                                          • Disconnect power before maintenance.

The structure and details of the product：