9252000892 Rev A
BE1-50/51B-229 General Information
1-7
Figure 1-4. Harmonic Rejection
Target Indicators
Gravity latched, manually reset targets indicate that current of 0.2 amperes or greater was present in the
trip circuit. Target coil resistance is less than 0.1 ohms and operate time is less than one millisecond. See
Output Contacts
for maximum current rating.
Output Contacts
Output contacts are surge protected and rated as follows.
Resistive Ratings
120/240 Vac:
Make 30 amperes for 0.2 seconds, carry 7 amperes for 2 minutes, 3
amperes continuously, and break 5 amperes.
125/250 Vdc:
Make 30 amperes for 0.2 seconds, carry 7 amperes for 2 minutes, 3
amperes continuously, and break 0.3 ampere.
Inductive Ratings
120/240 Vac, 125/250 Vdc:
Make and carry 30 amperes for 0.2 seconds, carry 7 amperes for 2
minutes, 3 amperes continuously, and break 0.3 ampere. (L/R = 0.04).
Type Tests
Isolation
Meets IEC 255-5 and exceeds IEEE C37.90-1989 one-minute dielectric (high-potential) tests as follows.
All Circuits to Ground:
2,828 Vdc
Input to Output Circuits:
2,000 Vac or 2828 Vdc
Surge Withstand Capability
Qualified to IEEE C37.90.1-1989,
Standard Surge Withstand Capability (SWC) Tests for Protective
Relays and Relay Systems
.
Impulse
Qualified to IEC 255-5.
Содержание BE1-50/51B-229
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Страница 45: ...9252000892 Rev A BE1 50 51B 229 Time Characteristic Curves A 3 Figure A 3 D Definite Time Similar to ABB CO 6 ...
Страница 50: ...A 8 BE1 50 51B 229 Time Characteristic Curves 9252000892 Rev A Figure A 8 BS142 B Very Inverse ...
Страница 51: ...9252000892 Rev A BE1 50 51B 229 Time Characteristic Curves A 9 Figure A 9 BS142 C Extremely Inverse ...