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Siemens Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC - IEC Thermal Overload Relays
SiemensIEC Thermal Overload Relays

Siemens Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC

The SIEMENS Overload Relay is a three-pole IEC thermal overload relay with frame size S0, featuring integrated bimetallic elements and auxiliary contact form 1NO/1NC. It has a maximum voltage rating of 690V AC and…

SKU 3G-OTH-39641

Merek
Siemens
Item
Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC
Kategori
IEC Thermal Overload Relays
Tersedia untuk Dipesan
Stok tersedia & bea cukai ditangani
  • 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
  • Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
  • Dikirim ke: Jakarta, Surabaya, Bandung, Medan, Batam
Harga dagang sesuai penawaran — balasan dalam 24 jam
Jumlah
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Pengiriman ke Seluruh Dunia
Pengiriman udara & laut
Lembar Data Atas Permintaan
Spesifikasi teknis
Penawaran 1 Hari
Balasan dalam 24 jam

Spesifikasi Teknis

Siemens
Manufacturer Part Number
3RU21261FB0
Frame Size
S0
Compatible Contactors
Frame Size S0
Auxiliary Contact Form
1NO/1NC
Maximum Voltage Rating
690V AC
Phase Loss Sensitivity
No
Thermal Units Required
None (Relay Includes Integrated Bimetallic Elements)
Terminal Connection Type
Screw Terminals
Compatible Contactor Series
SIRIUS
Lihat Lembar Spesifikasi Lengkap

Dokumen Teknis

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Ajukan pertanyaan

Siemens Produk
3G Electric (S) Pte. Ltd. — Singapore

Deskripsi Produk

The SIEMENS Overload Relay is a three-pole IEC thermal overload relay with frame size S0, featuring integrated bimetallic elements and auxiliary contact form 1NO/1NC. It has a maximum voltage rating of 690V AC and uses screw terminals. This relay is compatible with SIRIUS contactors of frame size S0 and does not include phase loss sensitivity.

Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.

Pertanyaan yang Sering Diajukan

What is the SIEMENS 3RU21261FB0 overload relay used for?

The SIEMENS 3RU21261FB0 is a three-pole IEC thermal overload relay used to protect motors from overcurrent and phase imbalance. It is designed for industrial applications requiring reliable thermal protection, compatible with SIRIUS contactors of frame size S0. The integrated bimetallic elements eliminate the need for separate thermal units.

What are the specifications of the SIEMENS 3RU21261FB0 overload relay?

The SIEMENS 3RU21261FB0 overload relay has frame size S0, auxiliary contact form 1NO/1NC, maximum voltage rating 690V AC, and screw terminals. It includes integrated bimetallic elements and does not offer phase loss sensitivity. It is compatible with SIRIUS contactors of frame size S0.

Where to buy the SIEMENS 3RU21261FB0 overload relay worldwide?

You can source the SIEMENS 3RU21261FB0 overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this Siemens thermal protection relay.

How to select the correct SIEMENS overload relay for a motor?

To select the correct SIEMENS overload relay, match the frame size (S0) and voltage rating (690V AC) to your contactor series (SIRIUS). Ensure the auxiliary contact form (1NO/1NC) meets your control circuit needs. The integrated bimetallic elements provide thermal protection without separate units. Consult the motor full-load current for proper setting.

Digunakan dalam

Aplikasi umum untuk Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Produk

3G Electric memasok Siemens iec thermal overload relays. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.

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Pembakar & Pembakaran →Pompa & Kompresor →Suku Cadang →Semua Produk →

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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00 (MPN 3RU21164AB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00 (MPN 3RU21164AB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 2.2 A – 3.2 A (MPN 3RU21261DB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 2.2 A – 3.2 A (MPN 3RU21261DB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 27 A – 32 A (MPN 3RU21264EB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 27 A – 32 A (MPN 3RU21264EB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 34 A – 40 A (MPN 3RU21264FB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 2.8 A – 4 A (MPN 3RU21261EB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 2.8 A – 4 A (MPN 3RU21261EB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 4.5 A – 6.3 A (MPN 3RU21261GB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 4.5 A – 6.3 A (MPN 3RU21261GB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).

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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 4.5 A – 6.3 A (MPN 3RU21161GB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 4.5 A – 6.3 A (MPN 3RU21161GB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 0.22 A – 0.32 A (MPN 3RU21160DB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 0.22 A – 0.32 A (MPN 3RU21160DB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 9 A – 12.5 A (MPN 3RU21161KB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 9 A – 12.5 A (MPN 3RU21161KB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 0.9 A – 1.25 A (MPN 3RU21160KB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 0.9 A – 1.25 A (MPN 3RU21160KB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 2.8 A – 4 A (MPN 3RU21161EB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 2.8 A – 4 A (MPN 3RU21161EB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 1.8 A – 2.5 A (MPN 3RU21261CB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
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SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0, 1.8 A – 2.5 A (MPN 3RU21261CB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 0.18 A – 0.25 A (MPN 3RU21160CB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
Siemens
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 0.18 A – 0.25 A (MPN 3RU21160CB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 0.35 A – 0.5 A (MPN 3RU21160FB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
Siemens
SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S00, 0.35 A – 0.5 A (MPN 3RU21160FB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S00; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).