Siemens 3RU21 & 3RU11 Overload Relays

Siemens 3RU21 3RU11 & 3RU20 Overload Relays

Siemens 3RU thermal overload relays are designed for the protection of three-phase and single phase AC and DC motors.
Siemens 3RU thermal overload relays up to 100 A are designed for current-dependent protection of applications with normal start-up conditions.

Please contact Tech Controls for Price and availability
on the entire line of Siemens Overload Relays
mark@techcontrols.com or 678-205-0594

Frame Size S00 For use on Siemens Contactors 3RT201

Part Number	Amp Range	Part Number	Amp Range
3RU2116-0AB0	.11-.16	3RU2116-1AB0	1.1-1.6
3RU2116-0BB0	.14-.20	3RU2116-1BB0	1.4-2
3RU2116-0CB0	.18-.25	3RU2116-1CB0	1.8-2.5
3RU2116-0DB0	.22-.32	3RU2116-1DB0	2.2-3.2
3RU2116-0EB0	.28-.40	3RU2116-1EB0	2.8-4
3RU2116-0FB0	.35-.50	3RU2116-1FB0	3.5-5
3RU2116-0GB0	.45-.63	3RU2116-1GB0	4.5-6.3
3RU2116-0HB0	.55-.80	3RU2116-1HB0	5.5-8
3RU2116-0JB0	.70-1	3RU2116-1JB0	7-10
3RU2116-0KB0	.90-1.25	3RU2116-1KB0	9-12.5

Frame Size S0 For use on Siemens Contactors 3RT202

Part Number	Amp Range	Part Number	Amp Range
3RU2126-1CB0	1.8-2.5	3RU2126-1AB0	11-16
3RU2126-1DB0	2.2-3.2	3RU2126-4BB0	14-20
3RU2126-1EB0	2.8-4	3RU2126-4CB0	17-22
3RU2126-1FB0	3.5-5	3RU2126-4DB0	20-25
3RU2126-1GB0	4.5-6.3	3RU2126-4NB0	23-28
3RU2126-1HB0	5.5-8	3RU2126-4EB0	27-32
3RU2126-1JB0	7-10	3RU2126-4PB0	30-36
3RU2126-1KB0	9-12.5	3RU2126-4FB0	34-40

Frame Size S2 For use on Siemens Contactors 3RT103

Part Number	Amp Range	Part Number	Amp Range
3RU1136-1HB0	5.5-8	3RU1136-4DB0	18-25
3RU1136-1JB0	7-10	3RU1136-4EB0	22-32
3RU1136-1KB0	9-12.5	3RU1136-4FB0	28-40
3RU1136-4BB0	14-20	3RU1136-4GB0	36-45

Frame Size S3 For use on Siemens Contactors 3RT104

Part Number	Amp Range	Part Number	Amp Range
3RU1146-4DB0	18-25	3RU1146-4JB0	45-63
3RU1146-4EB0	22-32	3RU1146-4KB0	57-75
3RU1146-4FB0	28-40	3RU1146-4LB0	70-90
3RU1146-4HB0	36-50	3RU1146-4MB0	80-100

Frame Size S6 For use on Siemens Contactors 3RT105

Part Number	Amp Range	Part Number	Amp Range
3RB2056-1FC2	50-200	3RB2056-1FW2	50-200
3RB2056-2FC2	50-200	3RB2056-2FCW2	50-200

Frame Size S10/S12 For use on Siemens Contactors 3RT106/3RT107

Part Number	Amp Range	Part Number	Amp Range
3RB2066-1GC2	55-250	3RB2066-1MC2	160-630
3RB2066-2GC2	55-250	3RB2066-2MC2	160-630

Siemens 3RU21 & 3RU11 Overload Relays

Siemens 3RU21 3RU11 & 3RU20 Overload Relays

Siemens 3RU thermal overload relays are designed for the protection of three-phase and single phase AC and DC motors.Siemens 3RU thermal overload relays up to 100 A are designed for current-dependent protection of applications with normal start-up conditions.

Siemens 3RU thermal overload relays are designed for the protection of three-phase and single phase AC and DC motors.
Siemens 3RU thermal overload relays up to 100 A are designed for current-dependent protection of applications with normal start-up conditions.