SAMRAT I

SAMRAT-401 / 402 Radio Remote Control – Reliable Wireless Performance for Mid-Sized Crane Operations

The SAMRAT-401 (Single-Speed) and SAMRAT-402 (Double-Speed) are rugged and compact radio remote control systems engineered for crane control, hoisting operations, and industrial equipment management. With up to 16 control functions, smart safety features, and IP65-rated housing, the SAMRAT series is ideal for users needing durable, secure, and efficient wireless operation for overhead cranes and material handling systems.

These systems combine advanced RF reliability with on-site configurability and operator-friendly features, making them a practical choice for mid-sized control applications.

✅ Button Configuration
- SAMRAT-401: 8 single-speed buttons + Start/Stop + Alarm (total 10 commands)
- SAMRAT-402: 8 double-speed buttons + Start/Stop + Alarm (total 18 commands)
✅ Rugged Industrial Build
- Compact, IP65-protected enclosure suitable for harsh environments
- Temperature operation range: –20°C to +70°C
- Transmitter weight: only 250 g (without battery)
✅ Efficient Wireless Operation
- RF Frequency: 433–434 MHz
- FM modulation (4GFSK / 2GFSK) with 25 kHz channel spacing
- Up to 100 meters of adjustable range
✅ Reliable Receiver Performance
- SAMRAT-401: 8 + 2 relays (Start/Alarm)
- SAMRAT-402: 12 + 2 relays (Start/Alarm)
- Relay load: 5A @ 250 VAC (resistive)
✅ Advanced Safety & Control
- Dual NC Emergency Stop contacts (EN-954-1 compliant)
- Fast emergency stop response time (<50 ms)
- LED status indication for battery, transmission, and error states
✅ Smart Configuration Options
- On-site transmitter-receiver pairing
- Adjustable start range for safety
- Configurable idle time-out
- Site-programmable frequency and unique 32-bit address coding

Transmitter

Feature	Specification
Frequency	433–434 MHz
Modulation	FM (4GFSK / 2GFSK)
Channel Spacing	25 kHz
RF Output Power	10 mW
Power Supply	2 × AA alkaline batteries (3.0V)
Power Consumption	18 mA active, 1 mA standby
Dimensions (mm)	163 (H) × 60 (W) × 50 (D)
Weight	250 g (without battery)
Protection Class	IP65
Operating Range	Adjustable (up to 100 meters)

Receiver

Feature	Specification
Relay Output (401)	8 + 2 (Start/Alarm)
Relay Output (402)	12 + 2 (Start/Alarm)
Relay Load Rating	5A @ 250 VAC (resistive)
Power Input	48–230 VAC
Dimensions (mm)	186 (H) × 186 (W) × 83 (D)
Weight	~0.8 kg
RF Sensitivity	–117 dBm @ 0.6 kBaud
Protection Class	IP65

On-Site Pairing – Easy transmitter-receiver synchronization
Start Range Control – Limit START command activation zone
Idle Timeout – Enhances safety and conserves power
Password Lock – Prevent unauthorized use
LED Status Indication – Visual feedback on power, errors, and communication

Overhead and gantry cranes (3–5 motions)
Monorail hoists with limit switch integration
Winches, material lifts, and conveyors
Factory floor machinery needing mid-range command flexibility

SAMRAT I

SAMRAT I

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