• Siemens SIMOTICS S-1FK2 High Inertia Servomotors (SH 63-80)
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Siemens SIMOTICS S-1FK2 High Inertia Servomotors (SH 63-80)

Siemens SIMOTICS S-1FK2 High Inertia Servomotors (SH 63-80)

SIMOTICS S-1FK2 High Inertia synchronous servomotors (natural cooling) with DRIVE-CLiQ encoders for SINAMICS S120/S220, line connection 380-480 V 3 AC, two-cable technology.

Key features

  • Synchronous servomotor for SINAMICS S120/S220 converters, 380-480 V 3 AC
  • Two-cable technology (2CC): separate power and DRIVE-CLiQ signal cable
  • Absolute encoders AS22DQC/AM22DQC
  • Without brake or with holding brake
  • Plain shaft or feather key; degree of protection IP64 (standard)

Specifications

Type 1FK2 core type
Protection IP64 (no shaft seal)
Series SIMOTICS S-1FK2 High Inertia
Cooling Natural cooling
Shaft height SH 63/80
Line voltage 380-480 V 3 AC
Connection Two-cable technology (B)
Drive system SINAMICS S120/S220
Source Siemens Catalog D 21.4 · 2026, p. 416
1FK2306-2AC00-0SB0 Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Without | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2306-2AC00-0MB0 Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Without | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-2AC00-1SB0 Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Without | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2306-2AC00-1MB0 Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Without | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-2AC10-0SB0 Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2306-2AC10-0MB0 Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-2AC10-1SB0 Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2306-2AC10-1MB0 Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-4AC00-0SB0 Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Without | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2306-4AC00-0MB0 Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Without | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-4AC00-1SB0 Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Without | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2306-4AC00-1MB0 Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Without | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-4AC10-0SB0 Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2306-4AC10-0MB0 Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-4AC10-1SB0 Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2306-4AC10-1MB0 Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-3AB00-0SB0 Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Without | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2308-3AB00-0MB0 Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Without | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-3AB00-1SB0 Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Without | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2308-3AB00-1MB0 Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Without | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-3AB10-0SB0 Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2308-3AB10-0MB0 Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-3AB10-1SB0 Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2308-3AB10-1MB0 Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-4AB00-0SB0 Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Without | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2308-4AB00-0MB0 Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Without | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-4AB00-1SB0 Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Without | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2308-4AB00-1MB0 Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Without | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-4AB10-0SB0 Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2308-4AB10-0MB0 Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-4AB10-1SB0 Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2308-4AB10-1MB0 Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
Servo MotorsSiemens
32 product codes available in this family
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Siemens SIMOTICS S-1FK2 High Inertia Servomotors (SH 63-80)

Brand Siemens·Servo Motors

Available part numbers (32)

1FK2306-2AC00-0SB0, 1FK2306-2AC00-0MB0, 1FK2306-2AC00-1SB0, 1FK2306-2AC00-1MB0, 1FK2306-2AC10-0SB0, 1FK2306-2AC10-0MB0, 1FK2306-2AC10-1SB0, 1FK2306-2AC10-1MB0, 1FK2306-4AC00-0SB0, 1FK2306-4AC00-0MB0 + 22 more — see full table ↓

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Product codes & specifications
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Product codeSpec
1FK2306-2AC00-0SB0Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Without | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2306-2AC00-0MB0Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Without | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-2AC00-1SB0Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Without | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2306-2AC00-1MB0Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Without | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-2AC10-0SB0Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2306-2AC10-0MB0Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-2AC10-1SB0Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2306-2AC10-1MB0Rating: M0 6 Nm, 2000 rpm, 1.15 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-4AC00-0SB0Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Without | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2306-4AC00-0MB0Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Without | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-4AC00-1SB0Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Without | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2306-4AC00-1MB0Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Without | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-4AC10-0SB0Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2306-4AC10-0MB0Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2306-4AC10-1SB0Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2306-4AC10-1MB0Rating: M0 12 Nm, 2000 rpm, 2.2 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-3AB00-0SB0Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Without | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2308-3AB00-0MB0Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Without | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-3AB00-1SB0Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Without | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2308-3AB00-1MB0Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Without | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-3AB10-0SB0Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2308-3AB10-0MB0Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-3AB10-1SB0Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2308-3AB10-1MB0Rating: M0 18 Nm, 1500 rpm, 2.5 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-4AB00-0SB0Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Without | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2308-4AB00-0MB0Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Without | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-4AB00-1SB0Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Without | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2308-4AB00-1MB0Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Without | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-4AB10-0SB0Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AS22DQC 22-bit single-turn
1FK2308-4AB10-0MB0Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Holding brake | Shaft: Plain shaft | Encoder: AM22DQC 22-bit + 12-bit multi-turn
1FK2308-4AB10-1SB0Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AS22DQC 22-bit single-turn
1FK2308-4AB10-1MB0Rating: M0 22 Nm, 1500 rpm, 2.9 kW | Brake: Holding brake | Shaft: Feather key | Encoder: AM22DQC 22-bit + 12-bit multi-turn

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