What are the recommended fuses for use with control transformer kit, 9999 CPT1D1, when applied with a 240V primary?
Issue:
Recomended fuses for control transformer kit.
Product Line:
Transformer
Environment:
North America Product
Cause:
N/A
Resolution:
With a 240V primary, 1A fuses are recommended, with a maximum rating of 1.04A permitted using the 250% rule of NEC450.3. Please note the fuses are to be 600V maximum, 1-1/2 x 13/32`` Class CC rejection type, time delay fuses (Bussmann Type FNQ-R or equivalent). Qty (2) are required. On the 120V secondary side, a 1.25A fuse is recommended, with a maximum rating of 1.39A permitted according to the 167% rule of NEC 450.3. Provisions are for qty (1) fuse, which must be 1-1/2 x 13/32``, non-rejection type fuse (Bussmann type FNQ or equivalent).
Recomended fuses for control transformer kit.
Product Line:
Transformer
Environment:
North America Product
Cause:
N/A
Resolution:
With a 240V primary, 1A fuses are recommended, with a maximum rating of 1.04A permitted using the 250% rule of NEC450.3. Please note the fuses are to be 600V maximum, 1-1/2 x 13/32`` Class CC rejection type, time delay fuses (Bussmann Type FNQ-R or equivalent). Qty (2) are required. On the 120V secondary side, a 1.25A fuse is recommended, with a maximum rating of 1.39A permitted according to the 167% rule of NEC 450.3. Provisions are for qty (1) fuse, which must be 1-1/2 x 13/32``, non-rejection type fuse (Bussmann type FNQ or equivalent).
Released for: Schneider Electric USA
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