BJA36070 SQUARE D 3P 70A 600Y/347V 25KA I LINE
The BJA36070 Square D 3P 70A 600Y/347V circuit breaker features a robust 25KA interrupting capacity, designed for commercial and industrial applications. This compact and reliable I Line breaker ensures optimal performance and safety in your electrical system. Ideal for protecting motors and equipment, it’s a trusted choice for your power management needs.
The BJA36070 uses Square D's I-Line plug-in mounting system. It is designed to install in Square D I-Line panelboards and switchboards that support the I-Line bus — not in residential QO or Homeline loadcentres. If you're unsure whether your panel accepts I-Line breakers, send us the panelboard model number and we'll confirm.
The 600Y/347 V rating means this breaker is designed for Canadian commercial and industrial distribution systems using a 4-wire wye configuration — 347 V line-to-neutral and 600 V line-to-line. This is the standard voltage system used to power fluorescent/LED lighting and larger equipment in Canadian commercial buildings. It is not suitable for use on standard residential 120/240 V single-phase systems.
The Square D BJA frame I-Line series can be difficult to source through standard channels, and some configurations are considered hard-to-find. Northern Breaker Group specializes in exactly these situations — we maintain stock of obsolete and low-availability breakers. Contact us or request a quote and we'll advise on current availability and lead time for the BJA36070.
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