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Siemens  |  SKU: 3RH1140-1AM20
Obsolete

3RH1140-1AM20

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Siemens 3RH1140-1AM20 4 pole control relay - 4 N.O. contacts - 208v50/60Hz AC coil - Can be either mounted on standard 35mm DIN Rail or screw base mounted - up to 4 additional auxiliary contacts can be added via a 4-pole top mounted auxiliary

Catalog Page / Specifications

Obsolete - No Availability from Siemens

Rated control supply voltage : max. AC 600 V Conventional thermal current : 10 A at AC 240 V Mechanical endurance : 30 million operating cycles Mechanical endurance - Basic units with snap-on auxiliary switch block : 10 million operating cycles Rated insulation voltage Ui (pollution degree 3) : 690v Rated impulse withstand voltage Uimp : 6 kV Degree of protection acc. to IEC 60 947-1 and DIN 40 050 : IP 20, coil system IP 40 Coil voltage tolerance : at 50 Hz: 0.8 ... 1.1 × Us, at 60 Hz: 0.85 ... 1.1 × Us

RC elements, varistors, diodes or diode assemblies can be plugged onto all control relays The number of auxiliary contacts can be extended by means of auxiliary switch blocks (up to 4 poles). The control relay can also be switched on and released manually. The terminal designations comply with EN 50 011

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Delivery and Shipping

We ship the same day on all in stock orders that are placed prior to 4 p.m. EST, Monday through Friday. We offer Flat Rate shipping ($9.00 for UPS Ground) and expedited shipping can be selected at checkout.

The 3RH11 control relays are suitable for use in any climate. They are safe from touch to DIN VDE 0106 Part 100. These Siemens relays have screw for easy wire installation. Four contacts are available in the basic unit with options from 2 NO and 2 NC, 3 NO and 1 NC or 4 NO contacts.

The 3RH11 control relays can be expanded by up to four contacts by the addition of mountable auxiliary switch blocks. The auxiliary switch block can easily be snapped onto the front of the relays. The control relays with 4 contacts in accordance with EN 50 011, with the identification number 40E, can be extended with 80E to 44E auxiliary switch blocks to obtain control relays with 8 contacts in accordance with EN 50 011. The identification numbers 80E to 44E on the auxiliary switch blocks apply to the complete relays.

Click here for a catalog page of this 3RH1140 Relay

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