Datasheet

SafetyRelaysSF-YRELAYS
OPERATION (WHEN CONTACTS ARE WELDED)
The table below shows the state of the other contacts when the current through the welded N.O. contact is 0 V and the Max.
applied voltage ( 120% V of rated coil voltage ) is applied to the coil through the welded N.C. contact.
■ 4poles
● 2FormA2FormB
State of other contacts
34 ( N.C. ) 56 ( N.C. ) 78 ( N.O. ) 910 ( N.O. )
Welded terminal No.
34 ( N.C. ) − > 0.5 > 0.5
56 ( N.C. ) − > 0.5 > 0.5
78 ( N.O. ) > 0.5 > 0.5 −
910 ( N.O. ) > 0.5 > 0.5 −
■ 6poles
● 4FormA2FormB
State of other contacts
34 ( N.C. ) 56 ( N.C. ) 78 ( N.O. ) 910 ( N.O. ) 1112 ( N.O. ) 1314 ( N.O. )
Welded terminal No.
34 ( N.C. ) − > 0.5 > 0.5 > 0.5 > 0.5
56 ( N.C. ) − > 0.5 > 0.5 > 0.5 > 0.5
78 ( N.O. ) > 0.5 > 0.5 −
910 ( N.O. ) > 0.5 > 0.5 −
1112 ( N.O. ) > 0.5 > 0.5 −
1314 ( N.O. ) > 0.5 > 0.5 −
● 3FormA1FormB
State of other contacts
34 ( N.C. ) 56 ( N.C. ) 78 ( N.O. ) 910 ( N.O. )
Welded terminal No.
34 ( N.C. ) − > 0.5 > 0.5 > 0.5
56 ( N.C. ) > 0.5 −
78 ( N.O. ) > 0.5 −
910 ( N.O. ) > 0.5 −
● 5FormA1FormB
State of other contacts
34 ( N.O. ) 56 ( N.C. ) 78 ( N.O. ) 910 ( N.O. ) 1112 ( N.O. ) 1314 ( N.O. )
Welded terminal No.
34 ( N.O. ) − > 0.5 > 0.5 > 0.5 > 0.5 > 0.5
56 ( N.C. ) > 0.5 −
78 ( N.O. ) > 0.5 −
910 ( N.O. ) > 0.5 −
1112 ( N.O. ) > 0.5 −
1314 ( N.O. ) > 0.5 −
> 0.5: Contact gap Min. 0.5 mm
Empty cells: Contact is ON or OFF state.
Note) Contact gaps are shown at the initial state. If the contacts change state owing to switching it is necessary to check the actual loading.
ASCTB317E 202204
Panasonic Industry Co., Ltd. Electromechanical Control Business Division
industrial.panasonic.com/ac/e/
Panasonic Industry Co., Ltd. 2022
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