Overloads Relays ❯ IEC Overload Relay
3RB2056-1FW2
Siemens

3RB2056-1FW2

Electronic Overload O/L Protection Relay (EOR) - stand-alone operation (includes 3-phase pass-through C.T. block) - Siemens (SIRIUS 3RB20 series) - Size S6 - 3-poles (3P) - rated for 50A-200A - Electronic overload Class 10 - 1NO+1NC aux. contacts (FAULT) + 1NO+1NC aux. contacts - Manual/automatic reset operation - Surface mounting - Screw-clamp connections (control circuits) - equivalent to 3RB20561FW2
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Product Details
Primary brand Siemens
Main function Electronic Overload Relay (EOR)
Product series / family name SIRIUS
Sub-range name 3RB20 series
Type Option = Standard (No options)
Network frequency 50/60Hz
Functions Electronic Overload O/L Protection Relay (EOR)
Motor protection
Rotary knob for adjusting rated motor current
Test trip function
Design stand-alone operation (includes 3-phase pass-through C.T. block)
Ambient compensated in a range of -4°F to 140°F
Poles 3-poles (3P)
Rated current 50A < In ≤ 60A
60A < In ≤ 70A
70A < In ≤ 80A
80A < In ≤ 90A
90A < In ≤ 100A
100A < In ≤ 150A
150A < In ≤ 200A
Rated current 50A-200A (adjustable)
Rated voltage (AC) 1000Vac
Connection type (electrical) Terminals (Screw-clamp)
Connection type Screw-clamp connections (control circuits)
Poles 3P
Protection functions Electronic overload Class 10
3-phase overload
with phase loss sensitivity
Phase unbalance tripping
Phase failure tripping
solid-state test
Protection settings Overload protection -- 50A-200A (adjustable)
Mounting mode Surface
Mounting mode Surface mounting
Operating mode Manual/automatic reset
Contacts type 1NO+1NC aux. contacts (FAULT)
1NO+1NC aux. contacts
Dimensions Size S6
Dimensions (frame size) S6
Technical compatibility with 3RT205 series
Order code / Manufacturer SKU 3RB2056-1FW2
3RB20561FW2
Manufacturer product status Commercialized
Equivalent to 3RB20561FW2
EAN code 4011209638297
UPC code 040892624403
Compliant with standard(s) IEC 60947-4-1
EN 60079-7
EN 60947-1
EN 60947-4-1
EN 60947-5-1
EN 60079-14
Location of origin Germany
Protection functions Electronic protection = overload Class 10
Product title Electronic Overload O/L Protection Relay (EOR) - Siemens SIRIUS