overview：
The ABB SPAM150C-AA Integrated Protection Relay is a core motor protection device within the ABB SPAM series, specifically designed for medium- and low-voltage industrial motor systems. This device consolidates a wide range of protection and control functions into a single compact module, serving as a critical component within power distribution networks for safeguarding three-phase motors, transformers, and feeder circuits. Also referred to as a motor protection relay, it is engineered to monitor current, voltage, and various fault conditions in real time.
The operational principle of the SPAM150C-AA Integrated Protection Relay centers on the continuous measurement of the phase currents and zero-sequence current of the protected equipment. Upon detecting conditions such as overload, short circuit, phase unbalance, or ground fault, the device immediately triggers a trip command or issues an alarm signal. This device is widely deployed in industrial motor drive systems, distribution cabinets, and substations; it is compatible with systems controlled by contactors as well as those controlled by circuit breakers.
Fuctions & Features:
- Multifunctional Integration: Combines thermal overload, short circuit, ground fault, three-phase unbalance, phase sequence, and undercurrent protection functions into a single unit.
- Wide Auxiliary Power Range: Supports 80–265 V AC/DC or 18–80 V AC/DC auxiliary power inputs, offering flexible adaptability to on-site power supply conditions.
- Rapid Fault Response: Features an actuation time of less than 50 ms for short-circuit faults and less than 5 ms for critical faults, minimizing equipment damage.
- LED Status Indication: Clearly displays power, trip, and fault statuses via LED indicators, facilitating rapid on-site diagnostics.
- Rail/Panel Mounting: Supports standard DIN rail mounting or direct panel mounting, offering flexible adaptability to distribution cabinet layout requirements.
- Serial Communication Capability: Equipped with RS-485 (Modbus RTU) or fiber optic interfaces to support remote monitoring and data transmission.
- Harsh Environment Adaptability: Operates within a temperature range of -20°C to +55°C with a relative humidity of 95% (non-condensing), ensuring industrial-grade operational reliability.
Specification：
|
Parameter |
Details |
|---|---|
| Model | SPAM150C-AA |
| Type | Integrated motor protection relay |
| Rated current input | 1 A / 5 A selectable |
| Rated voltage input | 100–240 V AC/DC |
| Auxiliary supply voltage | 80–265 V AC/DC; 18–80 V AC/DC |
| Frequency | 50 Hz / 60 Hz |
| Operating temperature | -20°C to +55°C |
| Storage temperature | -40°C to +70°C |
| Humidity | 95% non-condensing |
| Length | 159mm |
| Width | 113mm |
| Height |
91mm |
| Weight |
0.3KG |
- Questions and Answers：
Q: Is this relay suitable for 60 Hz power systems?
A:The SPAM150C-AA supports both 50 Hz and 60 Hz power systems and features an automatic frequency detection function.
Q: Which Current Transformer (CT) ratios are compatible with it?
A: It accepts secondary current inputs of 1 A or 5 A and is compatible with various standard CT ratios, such as 100:5, 200:5, 500:5, etc.
Q: Does it support remote monitoring capabilities?
A: It offers RS-485 (Modbus RTU) or fiber optic communication interface options, enabling remote data access and control.
Q: What is its operating temperature range?
A: The operating temperature range is -20°C to +55°C, making it suitable for most industrial environments.
Q: Can it replace older ABB relay models?
A: It serves as a direct replacement for the SPAM150 series relays and is fully compatible with existing wiring and installation methods.
Q: What protection functions does it include?
A: It includes thermal overload protection, short-circuit protection, earth fault protection, three-phase unbalance protection, phase sequence protection, undercurrent protection, and locked-rotor protection.
Q: What is the brand?
A: ABB
Q: What is the warranty period?
A: 1 year.
Q: What is the delivery time?
A: In stock
Q: What is the payment method?
A: T/T
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