S-3 Powerful Blasting Machine
MTi Group's S-3 is a versatile, solid-state blasting machine. It features quick-connect posts for rapid setup and is completely waterproof, ensuring reliable performance in any conditions.
Live pricing and same-day-ship priority once you're in. Setup takes 60 seconds — we just need to confirm you're a real operation.
- P.O.
Why S-3 Powerful Blasting Machine
Compact and durable
Small enough to carry on your belt, built to survive years of field use.
Why it matters: A machine that goes everywhere with you and works every time you need it.
Dual initiation modes
Switch between electric and non-electric initiation without changing equipment.
Why it matters: One machine for both systems. Less gear on site, faster switching between blast methods.
Quick connect posts
Binding posts accept lead wires instantly. Designed for gloved-hand operation.
Why it matters: Hook up fast, even in cold weather with heavy gloves. No fumbling at the firing point.
Waterproof design
Sealed housing keeps moisture out of the firing circuit completely.
Why it matters: Fires reliably in wet conditions. Rain, mud, and underground water are non-issues.
High visibility indicators
Bright LED status lights show charge state and ready-to-fire at a glance.
Why it matters: Know exactly what the machine is doing without reading a small display in bright light.
Secure battery compartment
Latched battery door prevents accidental opening during transport or use.
Why it matters: Batteries stay in place. No losing power because the door popped open in a bag.
Built for the bench.
Powerful output
Built for larger initiation circuits where you need confident firing energy.
Portable
Field-portable despite the power. One operator can move it between benches.
Specs, storage & more.
| Battery type | 9V |
| Output voltage | 400 |
| Output energy (joules) | 12 |
| Max resistance (ohms) | 240 |
| Rated cap count | 115 |
| Firing cycles per battery | ~250+ |
| Initiation type | Dual Initiation |
| Length | 9" |
| Width | 4" |
| Height | 3" |
| Weight | 1lbs |
| Waterproof | Yes |
| MSHA approved | No |
| CE approved | No |
| Pack size | Each |
Pick the right machine.
Every shot.
Detailed Specifications
HB-10 Electric Initiator
|
HB-55 Electric Blasting Machine
|
S-355 Compact Electric Blasting Machine
|
HB-SBS Blasting Machine - Dual Initiation
|
HB-320 Rugged Waterproof Blasting Machine
|
S-412 Blasting Machine with Circuit Continuity
|
HBR-20P Blasting Machine - MSHA Approved
|
S-2 Non-Electric Blasting Machine
|
S-3 Powerful Blasting Machine
|
S-27 Blasting Machine
|
HR-3 Mechanical Starter
| |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Initiation Type | Electric | Electric | Electric | Dual Initiation | Electric | Electric | Electric | Non-Electric | Dual Initiation | Non-Electric | Mechanical |
| Firing Cycles Per Battery | ~300+ | ~300+ | ~300+ | ~250+ | ~150+ | ~250+ | ~200+ | — | ~250+ | — | — |
| Battery Type | 9V | 9V | 9V | 9V | AA | 9V | AA | — | 9V | — | — |
| Output Volts DC | 150 | 225 | 350 | 450 | 330 | 400 | 350 | 400 x 2 | 400 | 400 | 400 |
| Output Joules | 1.25 | 4 | 5 | 5 | 19 | 12 | 6.125 | 12 x 2 | 12 | 12 | 12 |
| Initiation Resistance (ohms) | 50 | 135 | 230 | 250 | 220 | 240 | N/A | — | 240 | — | — |
| Estimated Single Series Caps | 20 | 62 | 110 | 120 | 105 | 115 | 20 | — | 115 | — | — |
| Waterproof | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | — |
| MSHA Approved | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ |
| Rapid Charging | ✓ | ✓ | ✓ | ✗ | ✓ | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ |
| Detachable Belt Loop | ✓ | ✗ | ✓ | ✗ | ✗ | ✓ | ✓ | ✓ | ✓ | ✗ | ✗ |
| Continuity Indicator | ✗ | ✓ | ✓ | ✗ | ✗ | ✓ | ✗ | ✗ | ✓ | ✗ | ✗ |
| CE Approved | ✓ | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ |
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Pick the HB-10 when you are firing small construction shots and want a compact, hand-held electric initiator. 50-ohm capacity, 9V battery, fits on your belt. Roughly 20 caps per single series.
Pick the HB-55 for mid-sized electric shots that need built-in circuit continuity verification. 135 ohm capacity, fires roughly 62 caps in single series.
Pick the S-355 when you need 230-ohm capacity in a compact form factor. Continuity indicator built in, rapid charge, fires roughly 110 caps per single series.
Pick the HB-SBS when crews switch between electric and shock-tube circuits. Auto-detects what is connected. 250-ohm electric capacity, fires roughly 120 caps single series.
Pick the HB-320 for large production circuits and harsh environments. 220-ohm capacity, 19-joule output, AA-battery powered, CE approved. Roughly 105 caps single series.
Pick the S-412 for large electric shots where pre-fire continuity verification is critical. 240-ohm capacity, continuity indicator, fires roughly 115 caps single series.
Pick the HBR-20P for underground coal and gassy metal/non-metal mines. MSHA-approved permissible unit, auto-shunts output 4.5–8 ms after firing. AA battery, roughly 20 caps single series.
Pick the S-2 for shock-tube firing on large surface benches. Two 400-volt outputs, 12 joules each. Immune to stray current and RF energy.
Pick the S-3 when you need a high-energy dual-initiation machine. 12-joule output, 240-ohm capacity, continuity indicator. Fires roughly 115 caps single series.
Pick the S-27 as a robust non-electric shock-tube firing device. 400-volt, 12-joule output. Heavy-duty build for production benches.
Pick the HR-3 when you want a battery-free mechanical starter for shock-tube initiation. No electronics, no batteries, no charging — a reliable backup for any non-electric circuit.
























