Product Specifications
| Product Attribute | Attribute Value |
| The Siemens Sirius line of 3RT1044-1A contactors are suitable for use wherever a 3 pole, IEC, UL and CSA rated contactor is appropriate. This size S3 contactor is used in applications up to 75 horsepower at 460v for three phase applications. These contactors come with a 3RH1921-1HA22 4 pole auxiliary with 2 normally open and 2 normally closed contacts pre-mounted to the top. In addition to auxiliary contact blocks, thermal magnetic or solid state overload relays can be added to these Siemens contactors to provide full motor starter protection in the case of an over amperage situation. For mounting purposes, the contactors can either be mounted directly on standard 35mm DIN rail or screwed directly onto the back of the panel or mounting plate. Technical Specifications Siemens Size S3 contactor Can be fitted with any 1-, 2- or 4-pole 3RH1921 auxiliary contactor for up to 4 additional contacts For motor protection a 3RU1146 thermal overload or 3RB2046 Solid State overload relay can be directly mounted Mounts on standard 35mm DIN rail or can be screw mounted This contactor comes with screw termination - please call for spring/cage clamp terminals The Sirius line can be fitted with optional varistors, surge suppressors or RC elements |
