Submittal Sheet

ManualsBrandsFurnas Controls ManualsContactorsAuxiliary Switch Contact Block, 1NC, 1-Pole, for 3RT1 Contactors

Data sheet 3RH1921-1CA01

AUXILIARY SWITCH BLOCK, 1 NC, DIN EN50005, SCREW

CONNECTION, FOR CONTACTORS FOR SWITCHING MOTORS,

1-POLE

General technical data

product brandname SIRIUS

Suitability for use Contactor relay and power contactor

Protection class IP on the front IP20

Ambient temperature

● during storage

-55...+80°C

● during operation

-25...+60°C

Mechanical service life (switching cycles) typical 10000000

Electrical endurance (switching cycles) at AC-15 at

230 V typical

200000

Contact reliability one incorrect switching operation of 100 million switching

operations (17 V, 5 mA)

Contact reliability of auxiliary contacts 1 faulty switching per 100 million (17 V, 1 mA)

Insulation voltage with degree of pollution 3 rated

value

690V

Surge voltage resistance rated value 6kV

Auxiliary circuit

3RH1921-1CA01 Subject to change without notice

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Summary of content (6 pages)

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Data sheet 3RH1921-1CA01 AUXILIARY SWITCH BLOCK, 1 NC, DIN EN50005, SCREW CONNECTION, FOR CONTACTORS FOR SWITCHING MOTORS, 1-POLE General technical data product brandname SIRIUS Suitability for use Contactor relay and power contactor Protection class IP on the front IP20 Ambient temperature ● during storage -55 ... +80 °C ● during operation -25 ...
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Number of NC contacts for auxiliary contacts ● instantaneous contact 1 Number of NO contacts for auxiliary contacts ● instantaneous contact 0 Operating current of auxiliary contacts at AC-12 ● at 24 V 10 A ● at 230 V 10 A ● maximum 10 A Operating current ● of auxiliary contacts — at AC-14 — at 125 V 6A — at 250 V 6A — at AC-15 — at 24 V 6A — at 230 V 6A — at 400 V 3A ● at AC-15 at 690 V rated value 1A Operating current ● of auxiliary contacts at DC-12 — at 24 V 10 A — at 110 V 3A —
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— at 110 V 1A — at 220 V 0.3 A ● with 2 current paths in series at DC-13 — at 24 V rated value 10 A — at 60 V rated value 3.5 A — at 110 V rated value 1.3 A — at 220 V rated value 0.9 A — at 440 V rated value 0.2 A — at 600 V rated value 0.1 A ● with 3 current paths in series at DC-13 — at 24 V rated value 10 A — at 60 V rated value 4.7 A — at 110 V rated value 3A — at 220 V rated value 1.2 A — at 440 V rated value 0.5 A — at 600 V rated value 0.
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