Skip to main content
Siemens 3RT2036-1NB30-0CC0 — Contactors

Siemens SIRIUS 3RT2036-1NB30-0CC0 Power Contactor, S2, 20-33

MPN3RT2036-1NB30-0CC0
NRND

Siemens SIRIUS 3RT2036-1NB30-0CC0, power contactor, size S2, 20-33 VDC coil, screw-type terminals, 3-pole main contacts with integrated auxiliary switch, 55 mm width, 114 mm height, 130 mm depth.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RT2036-1NB30-0CC0 — Identification
ParameterValue
Contactor frame sizeS2
3RT2036-1NB30-0CC0 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V41 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V10 hp
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2036-1NB30-0CC0 — Control & Coil
ParameterValue
Control supply voltage typeAC/DC
Rated value @ 50 Hz2 VA
Rated value @ 50 Hz20 ... 33 V
3RT2036-1NB30-0CC0 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2036-1NB30-0CC0 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 160 A (690 V, 100 kA), aM: 80 A (690 V, 100 kA), BS88: 125 A (415 V, 80 kA)
Short-circuit coordination type 2, fusegG: 80A (690V,100kA), aM: 50A (690V,100kA), BS88: 63A (415V,80kA)
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT2036-1NB30-0CC0 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715
Side-by-side mountingYes
3RT2036-1NB30-0CC0 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2036-1NB30-0CC0 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2036-1NB30-0CC0 — Mechanical
ParameterValue
Width55 mm
Height114 mm
Depth130 mm
3RT2036-1NB30-0CC0 — Specifications
ParameterValue
At AC30 ... 55 ms

Product details

It carries a 20-33 VDC coil rated for continuous duty, with a pick-up tolerance of 0.8 to 1.1 times the rated value, meaning the coil reliably pulls in at 16 V and holds in up to 36.3 V. The main contacts are 3-pole normally open (18...1 configuration), and the contactor includes a factory-fitted auxiliary switch (1 NO + 1 NC) with ratings of 10 A at 24 V, 2 A at 48 V, 2 A at 60 V, 1 A at 110 V, 0.9 A at 125 V, and 0.3 A at 220 V — all resistive. This auxiliary switch is wired via screw-type terminals, matching the main coil terminals.

Dimensions are 55 mm wide, 114 mm high, and 130 mm deep, so it occupies a standard S2 footprint on the rail. Wire cross-section for main and auxiliary terminals accepts 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²) solid or stranded.

Maximum operating frequency varies by duty class: 1,000 operations per hour for AC-1 (resistive), 600/h for AC-2 (slip-ring motor), 800/h for AC-3 and AC-3e (squirrel-cage motor starting), and 250/h for AC-4 (plugging/inching). These figures matter for coordinating with upstream protection and for applications requiring frequent switching — AC-4 duty at 250/h is the limiting case for high-inertia loads.

Frequently asked questions

What is the closest functional second-source — 3RT2037-1AF00-ZX95?

The 3RT2037-1AF00-ZX95 is a close functional peer in the same S2 frame size, but it has a different coil voltage and auxiliary contact configuration. Verify the coil voltage (the 3RT2037-1AF00-ZX95 uses a different coil range) and the auxiliary contact wiring before substituting. The physical footprint and DIN-rail mounting are identical, so it will drop into the same panel without rewiring the main power circuit.

Will 3RT2036-1NB30-0CC0 drop into a panel specified around 3RT2037-1AF00-ZX95 without rewiring?

Yes, the physical footprint and DIN-rail mounting are identical (both are S2 size). The main power connections are the same, so no rewiring of the main circuit is needed. However, the coil voltage and auxiliary contact configuration differ — verify the coil rating and auxiliary wiring before powering up.

MPN
3RT2036-1NB30-0CC0