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Application – Three-Phase Motors
Advance Controls: MDR3 Overload
AEG Series: B17S, B27S, B27-2
ABB Type: RVH 40, RVH65, RVP160,
T25DU, T25CT, TA25DU
AGUT: MT03, R1K1, R1L0, R1L3, TE set Class 5
Allen Bradley: Bulletin 193, SMP-Class 10 only
Automatic Switch Types: DQ, LR1-D, LR1-F,
LR2 Class 10
Benshaw: RSD6 (Class 10) Soft Start
Bharita C-H: MC 305 ANA 3
Clipsal: 6CTR, 6MTR
Cutler-Hammer: C316F, C316P, C316S, C310-set
at 6 sec max, Advantage Class10
Fanal Types: K7 or K7D through K400
Franklin Electric: Subtrol-Plus, SubMonitor
Fuji Types: TR-OQ, TR-OQH, TR-2NQ, TR- 3NQ,
TR-4NQ, TR-6NQ, RCa 3737-ICQ & ICQH
Furnas Types: US15 48AG & 48BG, 958L,
ESP100-Class 10 only, 3RB10-Class 10
General Electric: CR4G, CR7G, RT*1, RT*2,
RTF3, RT*4, CR324X-Class 10 only
Kasuga: RU Set Operating Time Code = 10 &
time setting 6 sec max
Klockner-Moeller Types: ZOO, Z1, Z4, PKZM1,
PKZM3 & PKZ2
Lovato: RC9, RC22, RC80, RF9, RF25 & RF95
Matsushita: FKT-15N, 15GN, 15E, 15GE, FT-15N,
FHT-15N
Mitsubishi: ET, TH-K12ABKP, TH-K20KF,
TH-K20KP, TH-K20TAKF, TH-K60KF,
TH-K60TAKF
Omron: K2CM Set Operating Timing Code = 10 &
time setting 6 sec max, SE-KP24E time setting
6 sec max
Riken: PM1, PM3
Samwha: EOCRS Set for Class 5, EOCR-ST,
EOCR-SE, EOCR-AT time setting 6 sec max
Siemens Types: 3UA50, -52, -54, -55, -58, -59, -60,
-61, -62, -66, -68, -70, 3VUI3, 3VE, 3UB
(Class 5)
Sprecher and Schuh Types: CT, CT1, CTA 1,
CT3K, CT3-12 thru CT3-42, KTA3,
CEF1 & CET3 set at 6 sec max, CEP 7 Class
10, CT4, 6, & 7, CT3, KT7
Square D/Telemecanique: Class 9065 Types:
TD, TE, TF, TG, TJ, TK, TR, TJE &TJF (Class
10), LR1-D, LR1-F, LR2 Class 10, Types
18A, 32A, SS-Class 10, SR-Class 10 and
63-A-LB Series. Integral 18,32,63, GV2-L,
GV2-M, GV2-P, GV3-M (1.6-10 amp only)
LR9D, SF Class 10, ST Class 10, LT6 (Class
5 or 10), LRD (Class 10), Motor Logic
(Class10)
Recommended Adjustable Overload Relays
Toshiba Type: 2E RC820, set at 8 sec max.
WEG: RW2
Westinghouse Types: FT13, FT23, FT33, FT43, K7D, K27D, K67D,
Advantage (Class 10), MOR, IQ500 (Class 5)
Westmaster: OLWROO and OLWTOO suffi x D thru P
Other relay types from these and other manufacturers may or may
not provide acceptable protection, and they should not be used
without approval of Franklin Electric.
Some approved types may only be available for part of the listed
motor ratings. When relays are used with current transformers,
relay setting is the specifi ed amps divided by the transformer ratio.
HP KW VOLTS
NEMA
STARTER
SIZE
HEATERS FOR
OVERLOAD RELAYS
ADJUSTABLE
RELAYS
(NOTE 3)
FURNAS
(NOTE 1)
G.E.
(NOTE 2) SET MAX.
40 30
380 3 K78 L866B 68 73
460 3 K77 L710B 56 60
575 3 K73 L520B 45 48
50 37
380 3 K86 L107C 81 87
460 3 K78 L866B 68 73
575 3 K77 L710B 56 60
60 45
380 4(1) K89 L126C 101 108
460 4(1) K86 L107C 83 89
575 4(1) K78 L787B 64 69
75 55
380 4 K92 L142C 121 130
460 4(1) K89 L126C 100 107
575 4(1) K85 L950C 79 85
100 75
380 5(1) K28 L100B 168 181
460 4 K92 L155C 134 144
575 4 K90 L142C 108 116
125 90
380 5 K32 L135B 207 223
460 5(1) K29 L111B 176 189
575 5(1) K26 L825A 140 150
150 110
380 5 - L147B 248 267
460 5(1) K32 L122B 206 221
575 5(1) K28 L100B 165 177
175 130
380 6 K26 - 270 290
460 5 K33 L147B 233 250
575 5 K31 L111B 186 200
200 150
380 6 K27 - 316 340
460 5 K33 L165B 266 286
575 5 K32 L135B 213 229
Table 30 - 60 Hz 8" Motors
30