ABB CA4-04E 4-Pole N.C. Auxiliary Contact Block-Technical FAQ

Why this FAQ?

This FAQ summarizes key electrical, mechanical, and installation data for the ABB CA4-04E auxiliary contact block, helping engineers and buyers ensure compatibility, compliance, and correct application.

[faq question=”What is the ABB CA4-04E auxiliary contact block used for?”]The ABB CA4-04E is a 4-pole front-mounted auxiliary contact block designed for use with AF series contactors (AF09–AF96). It provides 4 normally closed (N.C.) instantaneous contacts for auxiliary circuit signaling or interlocking in control panels.[/faq]

[faq question=”What are the electrical ratings of the CA4-04E auxiliary contact block?”]The CA4-04E is rated for up to 690 V AC and 16 A thermal current at 40 °C. Under AC-15 duty, it handles 6 A at 24/127 V, 4 A at 220/240 V, 3 A at 400/440 V, and 2 A at 500/690 V. For DC-13 duty, current ranges from 6 A at 24 V to 0.1 A at 600 V.[/faq]

[faq question=”Which standards and certifications does the ABB CA4-04E comply with?”]This model complies with IEC/EN 60947-5-1, UL 60947-5-1, and CSA C22.2 No. 60947-5-1-14, ensuring international conformity for control circuit components.[/faq]

[faq question=”What are the mechanical and short-time withstand capabilities of the CA4-04E?”]The auxiliary block withstands short-time currents up to 140 A for 0.1 s and 100 A for 1 s. Its maximum mechanical switching frequency is 3600 cycles/hour, ensuring long operational life under typical industrial use.[/faq]

[faq question=”What type of terminals and wiring capacity does the CA4-04E support?”]It features screw terminals with IP20 protection. The wiring capacity includes 0.75–2.5 mm² for both flexible and rigid conductors, with a recommended stripping length of 10 mm. It also supports ferruled terminations for vibration-resistant connections.[/faq]

[faq question=”Which ABB contactors are compatible with the CA4-04E?”]It is suitable for AF09–AF96 and AFC09–AFC96 series contactors, including variants like AF09Z, AF26B, AF52, and AF80. Refer to ABB’s compatibility list or contact Shansen for confirmation.[/faq]

[faq question=”What is the rated impulse and insulation voltage for the CA4-04E?”]The block has a rated insulation voltage (Ui) of 690 V AC (IEC) and 600 V (UL/CSA), with a rated impulse withstand voltage (Uimp) of 6 kV, suitable for standard industrial environments.[/faq]

[faq question=”Where can I buy the ABB CA4-04E auxiliary contact block in India?”]Purchase through Shansen Enterprises, an authorized ABB channel partner offering pan-India delivery and quick WhatsApp-based quotations for OEMs, panel builders, and maintenance teams.[/faq]

ABB CA4-04E 4-Pole N.C. Auxiliary Contact Block Gallery