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Datasheet generated 2026-10-07
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Siemens SIRIUS Reversing contactor assembly, AC-3E/AC-3, 16 A, 7.5 kW / 400 V, 3-Pole, 230 V AC, 50/60 Hz, spring-loaded terminal, electrical and mechanical interlock (3RA2318-8XB30-2AP0)

Siemens · Electrical Components · Contactors · Germany · siemens.com
Part Number
3RA2318-8XB30-2AP0  ·  HS 8536.49
Siemens SIRIUS Reversing contactor assembly, AC-3E/AC-3, 16 A, 7.5 kW / 400 V, 3-Pole, 230 V AC, 50/60 Hz, spring-loaded terminal, electrical and mechanical interlock (3RA2318-8XB30-2AP0)

Siemens 3RA2318-8XB30-2AP0 Reversing switch 7.5KW 230V AC50/60Hz S00 Spring terminals.

Technical Specifications

Manufacturer part number (MPN)3RA2318-8XB30-2AP0
EAN / GTIN4011209836037
Sales unitpcs
Product type designation3RA23
Manufacturer's article number — 1 of the supplied contactor3RT2018-2AP02
Manufacturer's article number — 2 of the supplied contactor3RT2018-2AP02
Size of contactorS00
Shock resistance at rectangular impulse — at AC7,3 g / 5 ms, 4,7 g / 10 ms
Shock resistance at rectangular impulse — at DC7.3 g / 5 ms, 4.7 g / 10 ms
Shock resistance with its pulse — at AC11,4 g / 5 ms, 7,3 g / 10 ms
Shock resistance with its pulse — at DC11,4 g / 5 ms, 7,3g / 10 ms
Mechanical service life (operating cycles) — of contactor typical10 000 000
Mechanical service life (operating cycles) — of the contactor with added auxiliary switch block typical10 000 000
General technical data — Net Weight0.591 kg
Installation altitude at height above sea level maximum2 000 m
Ambient temperature — during operation-25 ... +60 °C
Ambient temperature — during storage-55 ... +80 °C
Number of poles for main current circuit3
Number of NO contacts for main contacts3
Number of NC contacts for main contacts0
Operating voltage — at AC-3 rated value maximum690 V
Operating voltage — at AC-3e rated value maximum690 V
At AC-3 — at 400 V rated value16 A
At AC-3 — at 500 V rated value12.4 A
At AC-3 — at 690 V rated value8.9 A
At AC-3e — at 400 V rated value16 A
At AC-3e — at 500 V rated value12.4 A
At AC-3e — at 690 V rated value8.9 A
At AC-3e — at AC-4 at 400 V rated value5.5 kW
Operating frequency — at AC-3 maximum750 1/h
Operating frequency — at AC-3e maximum750 1/h
Control supply voltage 1 at AC — at 50 Hz rated value230 V
Control supply voltage 1 at AC — at 60 Hz rated value230 V
Operating range factor control supply voltage rated value of magnet coil at AC — at 50 Hz0.8 ... 1.1
Operating range factor control supply voltage rated value of magnet coil at AC — at 60 Hz0.85 ... 1.1
Apparent pick-up power of magnet coil at AC — at 50 Hz37 VA
Inductive power factor with closing power of the coil — at 50 Hz0.8
Apparent holding power of magnet coil at AC — at 50 Hz5.7 VA
Inductive power factor with the holding power of the coil — at 50 Hz0.28
Contact reliability of auxiliary contacts< 1 error per 100 million operating cycles
Full-load current (FLA) for 3-phase AC motor — at 480 V rated value14 A
Full-load current (FLA) for 3-phase AC motor — at 600 V rated value11 A
Yielded mechanical performance [hp] for 3-phase AC motor — at 200/208 V rated value3 hp
Yielded mechanical performance [hp] for 3-phase AC motor — at 220/230 V rated value5 hp
Yielded mechanical performance [hp] for 3-phase AC motor — at 460/480 V rated value10 hp
Yielded mechanical performance [hp] for 3-phase AC motor — at 575/600 V rated value10 hp
Contact rating of auxiliary contacts according to ULA600 / Q600
For short-circuit protection of the main circuit — with type of coordination 1 requiredgG NH 3NA, DIAZED 5SB
NEOZED 5SE50 A
For short-circuit protection of the main circuit — with type of coordination 2 requiredgG NH 3NA, DIAZED 5SB
NEOZED 5SE25 A
For short-circuit protection of the main circuit — for short-circuit protection of the auxiliary switch requiredfuse gG: 10 A
Mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
Fastening methodscrew and snap-on mounting onto 35 mm DIN rail
Installation/ mounting/ dimensions — height84 mm
Installation/ mounting/ dimensions — width90 mm
Installation/ mounting/ dimensions — depth83 mm
With side-by-side mounting — forwards6 mm
With side-by-side mounting — upwards6 mm
With side-by-side mounting — downwards6 mm
With side-by-side mounting — at the side6 mm
For grounded parts — forwards6 mm
For grounded parts — upwards6 mm
For grounded parts — at the side6 mm
For grounded parts — downwards6 mm
For live parts — forwards6 mm
For live parts — upwards6 mm
Type of connectable conductor cross-sections for main contacts — solid2x (0.5 ... 4 mm²)
Type of connectable conductor cross-sections for main contacts — solid or stranded2x (0,5 ... 4 mm²)
Type of connectable conductor cross-sections for main contacts — finely stranded with core end processing2x (0.5 ... 2.5 mm²)
Type of connectable conductor cross-sections for main contacts — finely stranded without core end processing2x (0.5 ... 2.5 mm²)
For auxiliary contacts — solid or stranded2x (0.5 ... 2.5 mm²)
For auxiliary contacts — finely stranded with core end processing2x (0.5 ... 1.5 mm²)
For auxiliary contacts — finely stranded without core end processing2x (0.5 ... 1.5 mm²)
Width90 mm
FunctionReversing contactor
Height84 mm
Depth83 mm
Rated operation power at AC-3, 400 V7.5 kW
Number of normally open contacts as main contact3
Rated operation current Ie at AC-3, 400 V16 A
Degree of protection (IP)IP20
Type of electrical connection of main circuitSpring clamp connection
Voltage type for actuatingAC
Rated operation power NEMA10 kW
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents