TOSHIBA 2E MOTOR PROTECTION RELAYS MODEL RC820 " OVERLOAD & SINGLE-PHASE PROTECTION " SOLID-STATE " MANUAL TEST FEATURE " MANUAL/REMOTE/AUTO RESET " SURFACE/FLUSH MOUNTING
E MOTOR PROTECTION RELAYS MODEL RC820 range from 3 to 40 sec . (starting characteristic, at 600% current) to accomodate reduced voltage start-ups and high inertia loads. The 2E relay complies with international standards as well as UL (USA) listed and CSA (Canada) certified . Toshiba's 2E relay eliminates many motor failures . This solid state relay features precise motor protection for any horsepower/voltage combination in just three ratings .
CONTROL TERMINALS CURRENT SETTING TRIP TIME SETTING LED TRIP INDICATOR TEST/RESET SWITCH (SPRING RETURN) FLUSH MOUNTING FEET FLUSH COVER
SELECTION NOMENCLATURE RC820-HP 1 Y 12 (1) (2) (3) (4) (5) (1) Model (Series) No . RC820 (2) Reset Mode (3) Current Rating (4) Control Volt . (5) Variation HP . . . AP . . . . 1 ...... 2...... 3 . .. . . . Y ... . . . ... .. . 2 ...... 12 . . . . 72 . . . .
OPERATING CHARACTERISTIC CURVE 800 800 500 400 Overload operating 300 500 400 I 300 200 200 100 50 40 INS 30 Overload operating characteristics 100 INEW 80 80 v 50 w 40 20 I\`\ 10 8 40 38 33 35 30 28 23 25 20 18 15 13 10 8 5 4 3 5 Single-phase operating characteristics -` - 30 v .v 20 w 10 8 5 4 3 ~" -~ Single-phas operating characteristics 40 38 33 35 28 30 23 25 20 18 15 13 10 8 5 3 0 .8 1 10 2 3 4 5 6 8 10 0.
INSTALLATION Unit : mm (in) 5(0 .20) Dia-4 Mounting Holes 40 (1 .58) SURFACE MOUNTING Mounting Panel 8 (0 .32) Dia-2 Mounting Holes 1 .6 Min-3 .2 Max (0 .06 Min-0 .125 Max .
WIRING Low-voltage power supply 600 V AC or less High-voltage power supply 2.4KV-13.8KV AC (Notes) *Connections of control power source AC 100-120V-Terminals 1-2 AC 200-24®V-Terminals 1-3 For other volt ., use CPT. `"Connections of output contacts NC-contact (opened when the 2E Relay operated)-Terminals 8-9 NO-contact (closed when the 2E Relay operated)-Terminals 9-10 -Connections of Remote reset switch LOW-VOLTAGE HOW TO SET Selection of the suitable model may require some preliminary calculations.
ORDERING INFORMATION When ordering specify ; " Model No. & Quantity " Any Special Requirement TOSHIBA TOSHIBA CORPORATION Toshiba International Corporation: Houston, Vancouver Toshiba International Corporation Pty. Ltd. : Sydney, Melbourne Toshiba International (Europe) Ltd. Industrial Equipment Department 1-1 . SHIBAURA 1-CHOME. MINATO-KU . TOKYO. 105. JAPA N PHONE: 3457-4900.