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1SBH137005R1353 ABB NF53EK-13 Contactor 53A 100-250V AC/DC Coil
ABB 1SBH137005R1353 NF53EK-13 is an 8-pole AC/DC-operated contactor relay with 5 N.O. and 3 N.C. mechanically linked auxiliary contacts, Push-in Spring terminals and a 100–250 V AC/DC electronic control coil for industrial control circuits.
£64.95
Why Choose the ABB 1SBH137005R1353 NF53EK-13 Contactor Relay?
The ABB 1SBH137005R1353, also known as the NF53EK-13, is an 8-pole AC/DC-operated contactor relay designed for reliable switching of auxiliary and control circuits in industrial automation, machinery and electrical control systems. As part of the advanced ABB NF..K contactor relay series, it combines a wide-range electronic coil interface with mechanically linked contacts and Push-in Spring terminals for efficient, dependable panel installation.
The NF53EK-13 provides 5 normally open (N.O.) and 3 normally closed (N.C.) auxiliary contacts, giving engineers extensive switching capacity for signalling, sequencing, electrical interlocking and machine-control functions. Its eight-pole block design incorporates a non-removable front-mounted auxiliary contact block, with mechanically linked contacts compliant with Annex L of IEC 60947-5-1.
With a wide control voltage range of 100–250 V AC at 50/60 Hz or 100–250 V DC, the NF53EK-13 can accommodate substantial control-supply variations without requiring a coil change. Integrated surge protection, reduced panel energy consumption and Push-in Spring terminals make it particularly suitable for modern industrial control panels where rapid wiring and reliable operation are priorities.
Key Advantages
- Versatile 8-pole contactor relay for auxiliary and control circuits.
- 5 N.O. + 3 N.C. auxiliary contact configuration provides extensive switching capability.
- Wide 100–250 V AC 50/60 Hz and 100–250 V DC control voltage range.
- Electronic coil interface manages significant control-voltage variations.
- Built-in surge protection eliminates the need for a separate coil surge suppressor.
- Push-in Spring terminals enable fast and reliable conductor connection.
- Mechanically linked auxiliary contacts support dependable interlocking and control functions.
- Compact 45 mm-wide construction helps conserve control-panel space.
Key Features
- ABB NF..K contactor relay series.
- NF53EK-13 model with electronic AC/DC coil interface.
- 8 auxiliary contacts: 5 N.O. + 3 N.C..
- 100–250 V AC at 50/60 Hz control voltage.
- 100–250 V DC control voltage.
- 690 V IEC rated operational voltage.
- 16 A conventional free-air thermal current.
- 3 A rated operational current at 400 V.
- Push-in Spring terminal technology for efficient panel wiring.
- Mechanically linked contacts compliant with Annex L of IEC 60947-5-1.
- Built-in surge protection for the electronic coil interface.
- DIN rail or screw mounting for flexible installation.
Reliable Auxiliary Switching for Industrial Automation
Contactor relays such as the ABB NF53EK-13 allow a single control signal to operate multiple auxiliary circuits simultaneously. Its five normally open and three normally closed contacts provide substantial flexibility for machine sequencing, signalling, electrical interlocking and other automation functions requiring multiple control contacts.
The NF..K series uses ABB electronic coil technology to accommodate a broad control-voltage range while helping reduce panel energy consumption and maintain reliable operation when control supplies fluctuate. Integrated surge protection further simplifies control-panel design, while Push-in Spring terminals enable rapid conductor installation without conventional screw-terminal tightening.
Typical Applications
- Industrial automation and electrical control panels.
- Machine control and sequencing circuits.
- Motor starter auxiliary control circuits.
- Electrical interlocking systems.
- PLC and automation interface circuits.
- Process control and signalling equipment.
- Manufacturing and production machinery.
- OEM automation and machine-building applications.
Technical Specifications
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| Terminal Type | Push-in | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 100–130 V, 200–250 V | |
| Poles | 8-pole | |
| Device Type | Contactor relay | |
| Current AC-1 | 16 A | |
| Manufacturer | ABB | |
| Series | NF..K | |
| Model | NF53EK-13 | |
| Product ID | 1SBH137005R1353 | |
| Product type | AC/DC-operated contactor relay | |
| Number of poles | 8 | |
| Normally open contacts | 5 N.O. | |
| Normally closed contacts | 3 N.C. | |
| Control voltage AC | 100–250 V AC, 50/60 Hz | |
| Control voltage DC | 100–250 V DC | |
| Voltage type for actuation | AC/DC | |
| Rated operational voltage | 690 V IEC | |
| Rated operational current at 400 V | 3 A | |
| Conventional free-air thermal current | 16 A | |
| Short-time withstand current at 0.1 s | 140 A | |
| Short-time withstand current at 1 s | 100 A | |
| Rated frequency | 50 / 60 Hz | |
| Auxiliary contact type | Mechanically linked | |
| Terminal type | Push-in Spring terminals | |
| Mounting type | DIN rail / screw mounting | |
| Dimensions (H × W × D) | 92.3 × 45 × 110.5 mm | |
| Weight | approx. 0.35 kg | |
| EAN / GTIN | 3471523153035 | |
| Applicable standard | IEC 60947-5-1 |
Frequently Asked Questions
What is the ABB 1SBH137005R1353 used for?
The ABB 1SBH137005R1353 NF53EK-13 is an 8-pole contactor relay designed for switching auxiliary and control circuits in industrial automation, machinery, signalling and electrical interlocking systems.
How many contacts does the ABB NF53EK-13 have?
The NF53EK-13 has 8 auxiliary contacts, comprising 5 normally open contacts and 3 normally closed contacts.
What control voltage does the NF53EK-13 support?
The electronic coil accepts a wide control voltage range of 100–250 V AC at 50/60 Hz or 100–250 V DC.
What type of terminals does the ABB NF53EK-13 use?
The NF53EK-13 uses Push-in Spring terminals, enabling conductors to be connected rapidly and securely without conventional screw-terminal tightening.
Does the ABB NF53EK-13 have built-in surge protection?
Yes. The NF53EK-13 incorporates built-in surge protection within its electronic coil interface, removing the need for an additional external coil surge suppressor in typical installations.
Trusted Industrial Control from ABB
ABB NF..K contactor relays provide efficient and reliable auxiliary switching for industrial automation systems, combining wide-range electronic coil technology, mechanically linked contacts, integrated surge protection and fast Push-in Spring wiring.
