Brochure

9
5/98
© 1998 Square D All Rights Reserved
Thermal Overload Relays – NEMA Rated
Solid State Overload Relay, Motor Logic
™
Base Unit
Base Unit relays feature: 3 to 1 adjustment range for trip current; phase loss and unbalance protection;
direct replacement for Type S melting alloy; and LED power indication. They are ambient insensitive and
self–powered. Electrical remote reset is also available.
Additional Standard Features
• Self-powered
• Repeat trip accuracy: +/- 2%
• Normally closed trip contact
• Visible trip indication
• Trip free operation
• Ambient insensitivity
• Harmonic immunity
• Thermal memory
• Trip test function
• 3 Second trip on phase imbalance ≥ 25% (see Page 13)
Optional Features
• Auxiliary contacts
• Electrical remote reset
• Lug-Lug kits for separate mounting
• DIN rail adapter bracket
• Lug-Extender kit for retrofit (00
C
, 0, 1)
Base Unit: For Separate Mounting Solid State Overload Relay
600 Volts AC Maximum
Size (3-Pole)
Full Load
Current Range (Amperes)
Open Type
Trip Class 10 Trip Class 20
00
C
c
0 c
1 c
2
3
4
5 f
3-9
6-18
9-27
15-45
30-90
45-135
90-270
SSC10
SS010
SS110
SS210
SS310
SS410
SS510
SSC20
SS020
SS120
SS220
SS320
SS420
SS520
c Size 00
C
, 0, and 1 are supplied without lugs. Lower amperage loads can be protected by looping of power wires.
f Size 5 is a complete drop-in replacement for Square D NEMA Type “S” melting alloy, bimetallic, and Y500 overload relays only .
Base Unit: Replacement SSOLR for Retrofit of Square D Type S Starter
Solid State Overload Relay – 600 Volts AC Maximum
Locate 8536 Starter
in this column
NEMA Size
Full Load Current
Range (Amperes)
Order Class 9065 Overload from these columns
Open Type
Trip Class 10 Trip Class 20
SA
SB
SC
SD
SE
SF
SG
SH
SJ
00
C
p
0 p
1 p
2
3
4
5 a
6 a
7 a
3-9
6-18
9-27
15-45
30-90
45-135
90-270
180-540
270-810
SSC10
SS010
SS110
SR210
SR310
SR410
SR510
SR610
SR710
SSC20
SS020
SS120
SR220
SR320
SR420
SR520
SR620
SR720
p 00
C
, 0 and 1 are supplied without lugs. Lug - Extender Kits are available for Size 00
C
, 0 and 1.
a Size 5, 6 and 7 Replacement Overloads are overload relays only for existing NEMA Type “S” starters with Motor Logic. External CTs and additional
components are not included.