UsedAutomations — TESTED SURPLUS & OBSOLETE CONTROLS

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Siemens

3RH1140-1BF40

Siemens 3RTH1140-1BF40 Auxiliary Contactor

Siemens

From $172.88In stockSource updated 6/24/2026

Product Description

- Brand: Siemens - Model: SIRIUS 3RH1140-1BF40 - Type: Auxiliary Contactor / Contactor Relay - Part Number: 3RH1140-1BF40 - Technical Specifications: - SIRIUS 3RH1 series auxiliary contactor - Auxiliary contactor for control and automation circuits - Contact configuration: 4 NO (Normally Open), 0 NC (Normally Closed) - Contact designation: 40E according to DIN EN 50011 - Coil voltage: 110 VDC - Voltage type: DC-operated coil - Frame size: S00 - Connection type: Screw terminals - Rated operational current: - AC-12: 10 A - AC-15: 6 A at 230 VAC, 3 A at 400 VAC, 2 A at 500 VAC, 1 A at 690 VAC - DC-12: 10 A at 24 VDC, 3 A at 110 VDC, 1 A at 220 VDC - DC-13: 10 A at 24 VDC, 1 A at 110 VDC, 0.27 A at 220 VDC - Rated insulation voltage (Ui): 690 V - Rated impulse withstand voltage (Uimp): 6 kV - Degree of pollution: 3 - Mechanical endurance: 30 million operating cycles - Contact reliability: One incorrect switching operation per 100 million operations (17 V, 1 mA) - Shock resistance: 10 g / 5 ms, 5 g / 10 ms - Mounting: DIN rail, Screw mounting - Protection class: IP20 - Operating temperature: -25°C to +60°C - Maximum installation altitude: 2,000 m Weight: 300 g Dimensions: 45 × 57.5 × 72 mm Country of Origin: Germany HS Code: 8536.49

Buy Options

Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.

New

Price: $172.88
Availability: Available to order
Lead time: Quoted after RFQ

Specifications

Brand
Siemens
Model
SIRIUS 3RH1140-1BF40
Type
Auxiliary Contactor / Contactor Relay
Part Number
3RH1140-1BF40
Contact configuration
4 NO (Normally Open), 0 NC (Normally Closed)
Contact designation
40E according to DIN EN 50011
Coil voltage
110 VDC
Voltage type
DC-operated coil
Frame size
S00
Connection type
Screw terminals
AC-12
10 A
AC-15
6 A at 230 VAC, 3 A at 400 VAC, 2 A at 500 VAC, 1 A at 690 VAC
DC-12
10 A at 24 VDC, 3 A at 110 VDC, 1 A at 220 VDC
DC-13
10 A at 24 VDC, 1 A at 110 VDC, 0.27 A at 220 VDC
Rated insulation voltage (Ui)
690 V
Rated impulse withstand voltage (Uimp)
6 kV
Degree of pollution
3
Mechanical endurance
30 million operating cycles
Contact reliability
One incorrect switching operation per 100 million operations (17 V, 1 mA)
Shock resistance
10 g / 5 ms, 5 g / 10 ms
Mounting
DIN rail, Screw mounting
Protection class
IP20
Operating temperature
-25°C to +60°C
Maximum installation altitude
2,000 m
Weight
300 g
Dimensions
45 × 57.5 × 72 mm
Country of Origin
Germany
HS Code
8536.49
Product
Technical Specifications:

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FAQ

Is 3RH1140-1BF40 discontinued?

3RH1140-1BF40 is commonly available as a spare part. Submit an RFQ for pricing and lead time.

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